Grace thought of a number, added 7, multiplied by 3, took away 5 and divided by 4 to give an answer of 7.

The number Grace took was 4.

Step-by-step explanation:

Let us assume that she took a number 'x'

Now she added 7 in it,

Then multiplied by 3 ,   =

Then took away or subtracted 5.

And divided by 4 to get answer 7.

Now we will solve this to get x.

x = 4

Hence, the number Grace took was 4.

i think 5 miles per hour

step-by-step explanation: