Problema Solution
Matt saves $18 in 4 weeks. How long will it take him to save $81 at the same rate?
Answer provided by our tutors
let x be the number of weeks Matt needs to save $81
18 : 4 = 81 : x
by solving we find
x = 18 weeks
click here to see the step by step solution of the equation
Matt will same $81 in 18 weeks.