Fill in the blanks in units in whole numbers or decimals.
Adam spends 10% of his money on food and
80% 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
= 80% x 9 u
=
80100 x 9 u
= 0.8 x 9 u
= 7.2 u
(d)
Amount that Adam has left
= 9 u - 7.2 u
= 1.8 u
Answer(s): (a) 1; (b) 9; (c) 7.2; (d) 1.8