7 roses

Peter buys seven roses. When he paid for them, he had 4 euros left. If he had bought five roses, he would have 40 euros left. How many euros did Peter have before the purchase?

Correct answer:

x =  130 eur

Step-by-step explanation:

x=7p+4 x = 5p+40  7p+4=5p+40  7 p+4=5 p+40  2p=36  p=236=18  p=18  x=5 p+40=5 18+40=130 eur

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