Paige purchased 5x pounds of flour to make 4 identical sponge cakes. How much flour does each sponge cake require?

y=5x/4

Step-by-step explanation:

Let the pound for one sponge be y

4 sponge cakes cost 5x

1 sponge cake cost y

Cross multiply

4y=5x

Makes y the subject of formula by dividing both sides by 4

y=5x/4

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step-by-step explanation:

the sum of all the angles in a triangle are equal to 180

so you can add   the 3 given angles together to equal 180:

5y + 2y + 2y = 180

or since all three angles have the same letter, combine the 3 angles to equal 180:

9y = 180