Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 85¢ + _____¢ = $1
- $0.85 + $_____ = $1
- 85¢ + $_____ = $1
- $0.25 + $_____ = $1
(a)
$1 = 100¢
85¢ + _____¢ = $1
85¢ + _____¢ = 100¢
100¢ - 85¢ = 15¢
(b)
$0.85 + $_____ = $1
$1 - $0.85 = $0.15
(c)
$1 = 100¢
85¢ + $_____ = $1
$0.85 + $_____ = $1
$1 - $0.85 = $0.15
(d)
$0.25 + $_____ = $1
$1 - $0.25 = $0.75
Answer(s): 15, 0.15, 0.15, 0.75