Answer:
A
Step-by-step explanation:
You first divide 4.2 and 0.7, which is 6. hen you subtract/add left to right, and that equals 6.2, and A is 6.2.
Hope it helps!
There is a formula for that;
Total time = (Worker 1 * Worker 2) / (Worker 1 + Worker 2)
Total time = (80 * 120) / (80 + 120)
Total time = 9,600 / 200
Total time = 48 minutes
He used an incorrect time ratio converting hours to minutes.
Answer:
12
Step-by-step explanation:
Coefficient is the number before the variable
Answer:
Step-by-step explanation:
35 for 9 hours
35 / 9 = 3.88888889, about 3.89 per hour
