oh and my answers for 1 and 2 are
88.89% and 4.1%
88.89%
1.13%
44.44%
66.67%
2.Write the decimal 0.041 as a percent
41%
4.1%
410%
0.41%
3.A survey at your school found that 792 in 1,220 students have a cell phone. what percent of the students in have a cell phone? round to the nearest hundredth where necessary
6.49%
54.04%
64.92%***
79.20%
4.Write the percent 23.44% as a decimal
2344
234.4
2.344
0.2344***
5.Chris and five of his friends go out to dinner. The total bill comes to $124.29. They decide to leave a 20% tip. Each person will contribute an equal amount to the total tip. Estimate what each person should contribute.
a$29.00
b$21.00
c$5.00
$4.15***
6.Use a proportion to solve the problem
31% of 70
x/100 = 31/70; 43.66
x/71 = 31/100; 22.01
x/31 = 71/100; 0.22
71/x = 31/100; 229.03
^^ I don't understand this one :// especially since 31% of 70 is 21.7
7.39 is what percent of 156?
x/100 = 39/156; 25%
x/100 = 29/156; 0.25%***
x/100 = 156/39; 400%
x/156 = 39/100; 60.84%
8. While eating in the cafeteria at school, 65%, or 26, of the students in the class ate pizza. find the number of students in the entire class.
x/26 = 65/100; 250 students
x/26 = 65/100; 26 students
26/x = 65/100; 40 students***
x/26 = 65/100; 17 students
88.89% and 4.1%
7. No
Your other answers are correct.
is 7 60.84%? that was my first answer.
7. is now right.
However, your problem is confusing. I couldn't tell whether it was
7.39
or
.39
or
39
39 is what percent of 156?
Step-by-step explanation:
8 รท 9 = 0.8888888889 (rounded to the nearest hundredth)
0.8888888889 x 100 = 88.88888889 (rounded to the nearest hundredth as requested)
So, the fraction 8/9 is equal to approximately 88.89%.
Therefore, the correct answer is: 88.89%
2. To write the decimal 0.041 as a percent, you need to multiply it by 100.
Step-by-step explanation:
0.041 x 100 = 4.1
So, the decimal 0.041 is equal to 4.1%.
Therefore, the correct answer is: 4.1%
3. To find the percent of students who have a cell phone, you need to divide the number of students with a cell phone (792) by the total number of students (1220) and then multiply by 100.
Step-by-step explanation:
792 รท 1220 = 0.648
0.648 x 100 = 64.8 (rounded to the nearest hundredth)
So, approximately 64.92% of the students have a cell phone.
Therefore, the correct answer is: 64.92%
4. To write the percent 23.44% as a decimal, you need to divide it by 100.
Step-by-step explanation:
23.44% รท 100 = 0.2344
So, 23.44% is equal to 0.2344 as a decimal.
Therefore, the correct answer is: 0.2344
5. To estimate each person's contribution to the tip, you need to find 20% of the total bill ($124.29) and divide it by the number of people (6 in this case).
Step-by-step explanation:
20% of $124.29 = 0.20 x $124.29 = $24.858 (rounded to the nearest cent)
$24.858 รท 6 = $4.143 (rounded to the nearest cent)
Each person should contribute approximately $4.15.
Therefore, the correct answer is: $4.15
6. To solve the proportion for finding 31% of 70, you need to set up the equation:
x/100 = 31/70
Cross-multiplying gives you:
70x = 3100
Dividing both sides by 70:
x = 3100/70
x โ 44.29
Therefore, 31% of 70 is approximately 44.29.
7. To find what percent 39 is of 156, you need to set up the proportion:
x/100 = 39/156
Cross-multiplying gives you:
156x = 3900
Dividing both sides by 156:
x โ 3900/156
x โ 25
Therefore, 39 is approximately 25% of 156.
8. To find the number of students in the entire class, you need to set up the proportion:
x/26 = 65/100
Cross-multiplying gives you:
100x = 26 * 65
Dividing both sides by 100:
x = (26 * 65)/100
x โ 16.9
Therefore, the number of students in the entire class is approximately 17.