Let x = number of problems on test
If he got 14 wrong, then x - 14 is the number correct.
x - 14 = .72x
.28x - 14 = 0
.28x = 14
x = 50
The test consisted of 50 problems.
Answer:
54
Step-by-step explanation:
Number of students travelled by bus = 331 - 7 = 324
Number of students in each bus = 324/6 = 54
Answer:
D. 100°
Step-by-step explanation:
A straight line is 180°. Add 50° and 30° (which is 80°) and subtract the total from 180°.
50 + 30 = 80
180 - 80 = 100
Answer:
14:15
Step-by-step explanation: By reading the sentence carefully you should be able to get the first number and the second number. The sentence should tell you how to set it up.
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