What is an expression for the calculation 2/3 times the sum of 2/8 and 4/8?

2/3((2/8)+(4/8))
For the 2/8 + 4/8 you wouldn't need the extra set of parentheses, but for I typed it to not confuse you.

So 2/3 times the sum of 2/8 and 4/8. Get the sum of 2/8 and 4/8 (which is
((2/8)+(4/8)) and then add 2/3 outside to parentheses to indicate that you are multiplying them.

3units/ 5 feet = 60 units/ 100 feet3 units/ 5 feet = 18 units/ 30 feetthe dimensions of the scale drawing are 60 units by 18 units.hope this !