carys had some money. She brought a dirnk for £1.55 and a piece of cake for £1.30 she now has three-quarters of her money left.
how much money did she have to start with?
1 answer:
Answer:
£11.40
Step-by-step explanation:
She spent £1.55 + £1.30 = £2.85.
Now she has 3/4 of the original amount.
That means she spent 1/4 of the original amount.
£2.85 is 1/4 of the original amount.
The original amount is 4 × £2.85.
She started with £11.40.
You can solve it by writing an equation.
She started with x.
x - 2.85 = 3x/4
x/4 = 2.85
x = 11.40
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