-Hii!-
See below :)
Known:
Lets re-read the text. We need to find key words to see what we need to solve.. Words such has "It had to be at least 1 1/2 feet long. Harold made a bridge that was 2 1/3 times as long as Matthew’s. " Tells us its a subtraction problem.
Lets do the math :)↓↓↓
Hope this helps :D
Give brainliest
-∞Natalia∞-