PSLE The airmail rates to two countries are shown. Gabby sent a letter weighing 95g to Phillippines and a letter weighing 49g to India by airmail. How much did she pay altogether?
Mass |
Phillippines |
India |
First 50g |
$0.65 |
$1.50 |
Every additional 25g |
$0.25 |
$0.55 |
Mass of the letter to Phillippines excluding the first 50 g
= 95 - 50
= 45 g
Sets of additional 25 g of the letter to Phillippines
= 45 ÷ 25
= 1 r 20
Sets of additional 25 g and part thereof the letter to Phillippines
= 1 + 1
= 2
Amount that Gabby paid for the letter to Phillippines
= 0.65 + 2 x 0.25
= 0.65 + 0.50
= $1.15
Amount that Gabby paid altogether
= 1.15 + 1.50
= $2.65
Answer(s): $2.65