Answer:
30 years old
Step-by-step explanation:
If marina is one sixth of her mom age, and she is five years old. The multiply five times size to get her moms full age.
Hose a =1/5 pool per hour
hose b=1/6 pool per hour
1/5+1/6=11/30 pool per hour
1/11/30=30/11 hours to fill the pool with both hoses
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Q represents the number of invitations without a response. Q is equal to 253
If you look at the picture, you set it up as part over whole is equal to percent over 100. then you just multiply across.