Answer:
10.24
Step-by-step explanation:
2 x 5.12 =10.24
5.12×2=10.24 meters per hour
Distance =time ×speed
15
To find how many she bought, we have to divide. So we do 105/7=15.
12
The answer is.........A
3>=3
2(4+2x)>=5x+5
distribute the 2: 8+4x>=5x+5
8>=x+5
3>=x
w= 8
180-90= 90
(5w + 1) + (7w- 7) = 90
solve