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3) An owner of a small store knows that in the last week 54 customers paid with cash, 42 paid with a debit card, and 153 paid with a credit card. Based on he number of customers from last week, which fraction is closest to the probability that the next customer will pay with cash?
4) Scientists determined that Antarctica’s average winter temperature was - 34.44 degrees celsius. The difference between this temperature and Antarctica’s highest recorded temperature was 49.44 degrees. What was Antarctica’s highest recorded temperature?
7) Solve for x.
0.5x + 78.2 = 287

Respuesta :

7) .5+78.2=287 you subtract 78.2 from 287 and get 208.8 then you divide that by .5 and get 417.6

x = 17.6

Question 3 options not given.

4) Let the highest Antarctica’s highest recorded temperature be T.

Given:  Antarctica’s average winter temperature was - 34.44 degrees celsius. The difference between this temperature and Antarctica’s highest recorded temperature was 49.44 degrees.

Or , T-(-34.44) =49.44.

Two negatives make a positive,

T+34.44 =49.44

Subtracting 34.44 both sides:

T= 49.44-34.44

T= 15

The highest temperature recorded was 15 degrees.


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