What does the unknown number round to when rounded to the nearest whole?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells