B + 7.4 = 4.8
b = 4.8 - 7.5
b = -2.7
hope this helps :)
Answer:
2.5 miles per hour
Step-by-step explanation:
ok, so we already know how long she walked in 1/2 hour and we need to find out how many miles in one full hour. So, i multiplied 1 1/4 times two to make up the one full hour and I got 2.5 miles. So the rate is 2.5 mph.
Answer: -1 84/135
Step-by-step explanation:
- 8/9 (15) + 11/15(9)
= - 120/135 + 99/135
=219/135
= - 1 84/ 135
i hope this helps
Answer:
0.78
Step-by-step explanation: