Your answer here is t = -20
-8 = 2/5t
Equation
2/5 = 0.4
2 divided by 5 is 0.4
-8 / 0.4 = -20
Divide -8 by 0.4 which is -20
Answer:
-8 ≤w ≤-2
Step-by-step explanation:
28................................................
I set it up as a ratio with hours on the top and the fraction of the job on the bottom. It looks like this: 5/(2/3) / x/1, because 1 is the whole job if 2/3 is only a fraction of it. Cross multiplying gives you 2/3x = 5. Solving for x gives you that it will take 7.5 hours to complete a whole job if it takes 5 hours to complete 2/3 of it.
Answer:
Between 3 and 4
Step-by-step explanation:
3^2 = 3 × 3 = 9
4^2 = 4 × 4 = 16
12 is between 9 and 16