Draw a picture to show how to find 12+37
1 answer:
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Answer:
Total money left with Jamie = £13
Step-by-step explanation:
Jamie received pocket money = £26
He spent on sweets = 10% of total pocket money
Expense on magazines = 25% of the total money
Expense on games = 15% of the pocket money
Total expenditure on sweets, magazines and games =
= Or 50% of the pocket money he received
Therefore, money left with Jamie = 50% of total money he received as pocket money
=
= £13
This follows from the half-angle identity for cosine.
