Henry drove to the beach to pick up his girl friend. Heavy traffic forced him to drive at an average speed of 36 mph, reaching the beach in 7 hours. He drove back home at an average speed of 64 mph. How long, to the nearest tenth of an hour, did the trip home take him

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step-by-step explanation:

look at the picture i have filled out a table for it. hope this .

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

~dasgupta/mathbook/append17dec2k8.pdf