Tanya and Tim can clean the house in 3 hours. Their 3 children can do the same in 6 hours. How long would it take to clean the house if the whole family will do it together?

30.5*10=350$

you have to multiply the number without the decimal point then add it later but if its tenn u must move the place value of the decimal point 1 to the right.

37 = ending with 7

unit's digit in the cube..3

56 = ending with 6

unit's digit in the cube..2

133 = ending with

unit's digit in the cube..7

hope it : ( : )

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step-by-step explanation: