Answer:
first one
Step-by-step explanation:
Because the coefficient of x is 3 and coefficient of y is-7
subtraction:
5/8 - 1/8 = 4/8which reduces to 1/2 pound left
Answer: w=66/9
Step-by-step explanation: 8/9=w-2/6
8(6)=9(w-2)
48 =9w-18
48+18=9w
66=9w
w=66/9
or w=7(3/9)
Answer:
0.04
Step-by-step explanation:
1680=1500+1500x3xr
1680-1500=1500x3xr
r=180/4500
r=0.04