The table shows the postage rates for posting mail locally and overseas.
Mass |
Local Postage |
Overseas Postage |
First 90 g |
35¢ |
55¢ |
Every additional 10 g |
15¢ |
25¢ |
Bryan paid $3.35 for posting a package locally. What was the greatest possible mass of the package that Bryan posted?
$1 = 100¢
$3.35 = 3.35 x 100 = 335¢
Amount that Bryan paid for the additional sets of 10 g for the local package
= 335 - 35
= 300¢
Number of sets of 10 g that Bryan paid for the local package
= 300 ÷ 10
= 30
Mass of 30 sets of 10 g for the local package
= 30 x 10
= 300 g
Greatest possible mass of the local package
= 90 + 300
= 390 g
Answer(s): 390 g