Zac has some 2p coins and some 10p coins in his pocket. He has three more 10p coins than 2p coins. The value of all the 10p coins is 50p less than 10 times the value of all the 2p coins. How much 10p and 2p coins does Zach have?

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$15.40 per mile

step-by-step explanation:

you have to round up to 4 because 6 is over 5 so you have to round the 3 up to 4

1st integer x

2nd integer x+1

3rd integer x+2

4th integer x+3

x+x+1 +x+2+x+3 =74

combine like terms

4x+6 = 74

subtract 6 from each side

4x = 68

x = 17

the integers are 17,18,19,20

pi or 3.14159265359 is an irratinal decimal