The directions for mixing an insect spray say to use 1 1/2 ounces of chemical in each gallon of water. how many ounces of chemical should be mixed with 3 4/5 gallons of water? first, estimate the answer to the application problem. then find the exact answer.

Given that ounces of chemical required for each gallon.

Total amount of chemical required for gallons water will be product if and that is approximately  2*4 = 8 ounces ( means 3+() 3.8 ≈4 and means 1+() 1.5≈2)

Exact amount = 1.5*3.8 = 5.7 ounces.

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