One-quarter 7426

There were 46 more apple trees than pear trees in the orchard. The storm destroyed one-quarter of apple trees and seven pear trees. There are 80 trees left. How many are left?

Correct answer:

j =  57
h =  23

Step-by-step explanation:

a=46+b 80=a+b(a/4+7)  ab=46 3a+4b=348  Pivot:Row1Row2 3a+4b=348 ab=46  Row231 Row1Row2 3a+4b=348 2.33b=70  b=2.3333333370=30 a=33484b=33484 30=76  a=76 b=30  j=aa/4=7676/4=57

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