Answer:
total age of the four children is 4×31=124 months.
The total age after Katy joins is 30×5=150 months.
The age of Katy is the final total minus the original total,which is 150-124=26 months.
The age of Katy in years is 26 divided by 12 which results to 2 1/6years
162.56cm or if you round it, 163cm
Answer:
q= -4
Step-by-step explanation:

Collect like terms and simplify

Divide both sides of the equation by 2

Simplify

Answer: The answer is B.
Step-by-step explanation: Multiply $15 times 5 shirts, which equals $75. Now multiply $20 times 4 shoes, which equals $80. Now add the two products, and you get $155.