Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 0.3, 0.4)
- 75¢ + _____¢ = $1
- $0.85 + $_____ = $1
- 45¢ + $_____ = $1
- $0.55 + $_____ = $1
(a)
$1 = 100¢
75¢ + _____¢ = $1
75¢ + _____¢ = 100¢
100¢ - 75¢ = 25¢
(b)
$0.85 + $_____ = $1
$1 - $0.85 = $0.15
(c)
$1 = 100¢
45¢ + $_____ = $1
$0.45 + $_____ = $1
$1 - $0.45 = $0.55
(d)
$0.55 + $_____ = $1
$1 - $0.55 = $0.45
Answer(s): 25, 0.15, 0.55, 0.45