Question

A machine produces
240
bolts in
25
minutes. At the same rate, how many bolts would be produced in
45
minutes?

Answer 1

240/25 = 9.6
9.6 * 45 = 432

Answer 2

25 minutes = 240 bolts
25 ÷ 5 minutes = 240 ÷ 5 bolts
5 minutes = 48 bolts

5 x 9 minutes = 48 × 9 bolts
45 minutes = 432 bolts