Fill in the blanks.
Aqil spends
17 of his money on 5 erasers and 2 stickers.
Each sticker costs five times as much as each eraser.
Let the price of 1 eraser be 1 u.
- Cost of 1 sticker = _____ u
- Amount that Aqil has spent = _____ u
- Amount that Aqil has left = _____ u
- Amount that Aqil has at first = _____ u
(a)
Change X times into units.
Cost of 1 eraser = 1 u
Cost of 1 sticker = 5 x 1 u = 5 u
(b)
Amount that Aqil has spent
= 5 x 1 u + 2 x 5 u
= 5 u + 10 u
= 15 u
(c)
Fraction of the money he has left
= 1 -
17 =
67 17 of his money = 15 u
67 of his money = 6 x 15 u = 90 u
Amount that Aqil has left = 90 u
(d)
Amount that Aqil has at first
= 15 u + 90 u
= 105 u
Answer(s): (a) 5; (b) 15; (c) 90; (d) 105