Write an expression for the total cost in pounds of x jumpers at £15 each and y shirts at £12 each
1 answer:
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Check the picture below
notice, using the 30-60-90 rule, since that triangle is a 30-60-90 triangle, we get 11 = 2x
notice, using the 30-60-90 rule, since that triangle is a 30-60-90 triangle, we get 11 = 2x