15 3/5 - (-5 2/10) =
15 3/5 + 5 2/10 =
15 + 5 = 20
3/5 + 2/10 = 6/10 + 2/10 = 8/10 reduces to 4/5
20 + 4/5 = 20 4/5
so ur answer is 20 4/5
Answer:
5
Step-by-step explanation:
Answer:
x+y/10-b
Step-by-step explanation:
Factor out the common term: 10
Divide both sides by 10
Subtract b from both sides
Answer:
£1000, £1400
Step-by-step explanation:
Sum the parts of the ratio 5 + 7 = 12 parts
Divide the amount by 12 to find the value of one part of the ratio.
£2400 ÷ 12 = £200, thus
5 parts = 5 × £200 = £1000
7 parts = 7 × £200 = £1400