7+7+7=21 is the same as saying 7 times 3+
=21
Answer:
its 5 hours i think
Step-by-step explanation:
Answer:

Step-by-step explanation:

Swap sides:

Multiply to both sides by 6:

Group like terms:

Simplify the fraction:

Multiply the fractions

Simplify the arithmetic:

Answer:
1: 4
Step-by-step explanation:
to find the ratio
12: 48
divide by the both sides, ththus the answer is 1: 4.