So first you would divide 1950/6 to find the amount for one year of their age.
Then you would multiply that by the ages, which should get you 4 numbers, then you all those numbers together. Try 9750.
Answer:
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Step-by-step explanation:
check the picture below.

it cannot be -1, because is a seconds amount after moving.
Answer:
I believe the answer is A.
Step-by-step explanation:
Answer:
The speed of the boat is 29 km/h and the speed of the stream is 19 km/h.
Step-by-step explanation: