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serious [3.7K]
3 years ago
8

18) You have 90 minutes to complete at least 18 chemistry and math problems. It takes 5 minutes to complete a chemistry problem

and 4 minutes for each math problem. Which is a possible solution to this situation? A) 7 chemistry problems and 15 math problems B) 9 chemistry problems and 12 math problems C) 10 chemistry problems and 10 math problems D) 12 chemistry problems and 8 math problems
Mathematics
2 answers:
daser333 [38]3 years ago
7 0

Answer:

C. 10 and 10

Step-by-step explanation:

sattari [20]3 years ago
4 0
C. 10 math problems , 10 chemistry problems
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The lengths of the sides of a triangle are in the extended ratio 4 : 9 : 10. The perimeter of the triangle is 92 cm. What are th
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