Asked by Bailey Davis
what is the equations "The sum of two numbers is 75. The first is 9 more than 5 times the second. Find the first number?"
What is the equations "Jack's bowling score is 20 less than 3 times Jill's score. Thw sum of their scores is 220. Find the score of each?"
What is the equations "Jack's bowling score is 20 less than 3 times Jill's score. Thw sum of their scores is 220. Find the score of each?"
Answers
Answered by
Steve
a + b = 75
a = 5b+9
or,
a + b = 75
a - 5b = 9
so,
6b = 66
b=11 a=64
___________________
jack = 3*jill - 20
jack + jill = 220
or,
jack - 3jill = -20
jack + jill = 220
so,
4jill = 240
jill = 60 jack = 160
a = 5b+9
or,
a + b = 75
a - 5b = 9
so,
6b = 66
b=11 a=64
___________________
jack = 3*jill - 20
jack + jill = 220
or,
jack - 3jill = -20
jack + jill = 220
so,
4jill = 240
jill = 60 jack = 160
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