9.The formula F=9/5 C+32 can be used to convert a temperature from degrees Celsius to degree Fahrenheit. Which of the following best represents 9/5?

Question

A.9.5
B.1.8
C.1 4/9
D.9 4/5
B

10.Mr.Cartwright bought 2 7/8 pounds of grapes for his lunches. If he paid $1.79 for each pound about how much did he pay for the grapes?
A.6
B.3
C.7
D.4
I don't know how to solve this one

11.Which set of numbers is not equivalent
A.2,6/3,2.0
B.9/3,12/4,15/5
C.5.4,5 2/5, 27/5
D.3.5,3 1/2,6/2
D

Answer 1

9 and 11 are right.

Here's the way I solved 10.

2.875 * 1.79 = 5.15

That isn't one of the answers. Please check to see if you miscopied the problem or ask your teacher about it.