Fill in the blanks in units in whole numbers or decimals.
Adam spends 70% of his money on food and
30% of the remainder on rental.
Let the total amount of money be 10 u.
- Amount that Adam spends on food = _____ u
- Amount that Adam has left after spending on food = _____ u
- Amount that Adam spends on rental = _____ u
- Amount that Adam has left in the end = _____ u
(a)
Change percentage into units.
70% =
70100 =
710 Total amount that Adam has = 10 u
Amount that Adam spends on food = 7 u
(b)
Amount that Adam has left after spending on food
= 10 u - 7 u
= 3 u
(c)
Amount that Adam spends on rental
= 30% x 3 u
=
30100 x 3 u
= 0.3 x 3 u
= 0.9 u
(d)
Amount that Adam has left
= 3 u - 0.9 u
= 2.1 u
Answer(s): (a) 7; (b) 3; (c) 0.9; (d) 2.1