Answer:
D. Irrational
Step-by-step explanation:

The answer is D $126,if three cost $54 that means one costs $18 and just multiply it with seven
Time taken by Ria to paint a room = 4 hours
Time taken by Destiny to paint a room = 6 hours
If they work together, they complete 1 job. So,

The LCD of 4 and 6 is 12




Hence, both of them can paint the room in
hours or 2.4 hours.
Answer:
A=30 B=90 C=60
Step-by-step explanation:
A=30 C=60 B=90
Answer:
around 228
Step-by-step explanation: