Answer:

Step-by-step explanation:
we know that
The original scale of the map is

If the map is enlarged to 3 times its size
then
the new scale will be

Step-by-step explanation:
HERE,
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we know that,
sum of consecutive angle of a parallelogram =180
so,
According to the question,
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Let sister be s. Matthew, M
Matthew is 7years older than twice the age of his sister
M = 7 + 2s
13 = 7 + 2s. 7 crosses the equality to other side and becomes -7
13 - 7 = 2s
6 = 2s Divide both sides by 2
6/2 = 2s/2
3 = s
Sister is 3 years old.
Answer:
about 330
Step-by-step explanation:
280 rounded is 330 and 30 is already rounded so you would add 30 plus 330