You can solve an easy equation in your head by using the multiplication table.
10 weeks
Duane adds $5 every other week so that's 5 weeks out of 10. 5 x 5 = 25
Mick adds $2 every week so,
2 x 10 = 20
25 + 20 = 45
Answer:
$36.88
Step-by-step explanation:
4 inch cost $2.95
50 inch cost 2.95*50 / 4 = $36.875 = $36.88