Joshua wants to purchase new sports equipment that costs $75.25. He has $20 and plans to save $4.25 each week. How many weeks will it take him to save the money?

Respuesta :

$75.25 = $4.25x + $20
subtract $20 from each side :
$55.25 = $4.25x
divide by $4.25 on each side :
x = 13

Answer : 13 weeks