Answer:
He is 20 at oldest, or
Step-by-step explanation:
The first step in finding a possible age is:
Subtract 10 from 51, and you get 41. Divide by 2, and you get about 20.5.
This means Joe is younger than or 20 years old.
The numbers 0.1, 12, 15 and 124 can all be classified as counting numbers?
1 answer:
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C
the sum to infinity of a geometric series =
where a is the first term and r the common ratio
= = 81 × 3 = 243