Answer: x4
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
Because the rest are wrong. It is just asking you to compare the numbers. choice B says that Group 1/A needs 6 more lessons than Group 12/B
Make the denominators equal by multiplying them:

Subtract:

Simplify:

The answer is

or 0.16
Answer:
'number' = 10m
Step-by-step explanation: