Question

Walter takes of an hour to mow of an acre of lawn. At this rate, how many acres will he mow in an hour?

Answer 1

7÷10 × x equals  to 10x = 10÷7.

now what we have to do ?

Now we have to multiply 2÷5 by 10÷7  which gives 4÷7, so  Walter takes of an hour to mow of an acre of lawn and At this rate, 4/7 acres he will mow in an hour!!