Fill in the blanks in units in whole numbers or decimals.
Adam spends 10% 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.
10% =
10100 =
110 Total amount that Adam has = 10 u
Amount that Adam spends on food = 1 u
(b)
Amount that Adam has left after spending on food
= 10 u - 1 u
= 9 u
(c)
Amount that Adam spends on rental
= 30% x 9 u
=
30100 x 9 u
= 0.3 x 9 u
= 2.7 u
(d)
Amount that Adam has left
= 9 u - 2.7 u
= 6.3 u
Answer(s): (a) 1; (b) 9; (c) 2.7; (d) 6.3