gungun1 gungun1

31-03-2016
Mathematics

Answered

A cake costs 15p more than a biscuit Meghan bought a cake and two biscuts alltogether wa 90p how much does a cake cost and a biscuits cost ?each please give working out

Verified Answer :

31-03-2016

x=biscuit
x+15p (cake)
x+15p+2x=90p
3x+15p=90p
3x=90p-15p
3x=75p
x=75p÷3
x=25p

biscuit= 25p
cake= 25p+15p =40p

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