Answer:
[83, 100]
Step-by-step explanation:
Lowest score to get a B is 80
Total 4 tests, to get at least a B : 80 x 4 = 320
Total 3 test scores = 81 + 62 + 94 = 237
So the fourth test to get at least a B: 320 -237 = 83
Answer [83, 100]
Answer:
1/2
Step-by-step explanation:
Since she ate 2/3 of what he ate, you simply multiply the two fractions together, to get 12/24, which is simplified to 1/2. Ans
Answer:
8000
Step-by-step explanation:
Let the required number be x.

Answer:
3t^2s
Step-by-step explanation:
15/3=5
t^5s/t^2s = t^3
t^2s^3/t^2s = s^2
Answer:
x= negative 90 i think.
Step-by-step explanation: