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primary 6 | Maths
| Fractions
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Date Posted: 4 years ago
Views: 334
nos.
c: 5u
b: 7u
cost
total: $1587.60
c: 485.10+617.40 = $1102.50
b: (1587.60-617.40)/2 = $485.10
unit cost
c: $1102.50/5u = 220.50/u
b: $485.10/7u = 69.3/u
220.50/u = 69.3/u + 21.60
1u = 7
14 more books than calculators
.
.
.
c: 5u
b: 7u
cost
total: $1587.60
c: 485.10+617.40 = $1102.50
b: (1587.60-617.40)/2 = $485.10
unit cost
c: $1102.50/5u = 220.50/u
b: $485.10/7u = 69.3/u
220.50/u = 69.3/u + 21.60
1u = 7
14 more books than calculators
.
.
.
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