Answer:
2W + 56 = 78 , W = 10
Step-by-step explanation:
perimeter of rectangle = 2*the Length + 2*the Width
Answer: 5\1.6= 3.125 and 120•3.125= 375 so the runner has burned 375 calories
Step-by-step explanation:
Explained in answer
90
EXPLANATION: -10x-9 is 90