Evan saves $7 each week .let d represent the total amount of money in dollars evan saves after w weeks

Evan saves $7 each week .
I.e, 1week = $7

then. w week = $7w

hence , d = $7w

Hey there :)

Evan saves $7 per week                              1 week = $7
d → total amount of money in $
w → weeks

Translating the given information into mathematics

7w = d