Double negative (subtract sign) becomes a positive (add sign) so the answer is -4
Answer:
He can watch 8 movies
Step-by-step explanation:
100-40.66=59.34
6.71 x 8 = 53.68
therefore the most amount of movies he can watch is 8
Answer:
x = 10 1/8 | y = 40 1/2. | z= 30 3/8
Step-by-step explanation:
x + y + z = 81
4x = y
3x = z
x + 4x + 3x = 81
8× = 81
÷8. ÷8
x = 10 1/8
4x = y
(10 1/8) (4) = y
40 1/2 = y
3x = z
(3) (10 1/8) = z
30 3/8 = z
4 + 100 = 104/ 4+ 10 = 14
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