Asked by Homework
3 apples plus 2 pears cost .78 but 2 apples and 3 pears cost .82. What is the cost of 1 apple and 1 pear?
Answers
Answered by
Reiny
3a+2p=.78
2a+3p=.82
#1 x 3 : 9a+6p=2.34
#2 x 2 : 4a+6p=1.64
subtract them ...
5a = .70
a=.14
in #1
3(.14) + 2p = .78
p = .18
so 1 apple and 1 pear = .....
2a+3p=.82
#1 x 3 : 9a+6p=2.34
#2 x 2 : 4a+6p=1.64
subtract them ...
5a = .70
a=.14
in #1
3(.14) + 2p = .78
p = .18
so 1 apple and 1 pear = .....
Answered by
Anonymous
34c
Answered by
Favour
A box full of exercise books weigh 12kg.if one exercise book weigh 10.2g.find the approximate number of exercise books in the box
Answered by
Blob
Gimme the answer
Answered by
Tobeybear
Mugmogblug
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