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Tom makes two deliveries of bricks.
The distance of one delivery is 20 miles more than the distance of the other delivery.
(b) Work out the difference between the two delivery costs.

Tom makes two deliveries of bricks The distance of one delivery is 20 miles more than the distance of the other delivery b Work out the difference between the t class=

Respuesta :

Y=x-40

y is the difference of the delivery prices
x is the the first delivery
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