Randy’s parents gave him an allowance of d dollars each month. One month, he put half of his allowance in the bank and then bought a book for $8. He had $12 left in his pocket after buying the book. Write an equation to find the value of Randy’s monthly allowance.

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abdulmajeedabiodunac abdulmajeedabiodunac · Answer 1 · 2022-08-26T13:13:47+02:00

The value of Randy’s monthly allowance is $40

What is the allowance of Randy?

The allowance of Randy that he receive from his parents d dollars, hence, the total expenses and balance left after expenses is "d"

In essence, the half of the allowance placed in the bank account is 0.5d, which means d is 0.5d plus $8 used for books and the balance of $12

d=0.5d+8+12

We can now go ahead and solve for d

d-0.5d=8+12

0.5d=20

d=20/0.5

d=40

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