Fill in the blanks.
Aden spends
14 of his money on 4 coins and 3 pencils.
Each pencil costs five times as much as each coin.
Let the price of 1 coin be 1 u.
- Cost of 1 pencil = _____ u
- Amount that Aden has spent = _____ u
- Amount that Aden has left = _____ u
- Amount that Aden has at first = _____ u
(a)
Change X times into units.
Cost of 1 coin = 1 u
Cost of 1 pencil = 5 x 1 u = 5 u
(b)
Amount that Aden has spent
= 4 x 1 u + 3 x 5 u
= 4 u + 15 u
= 19 u
(c)
Fraction of the money he has left
= 1 -
14 =
34 14 of his money = 19 u
34 of his money = 3 x 19 u = 57 u
Amount that Aden has left = 57 u
(d)
Amount that Aden has at first
= 19 u + 57 u
= 76 u
Answer(s): (a) 5; (b) 19; (c) 57; (d) 76