Mr. Martin’s math test, which is worth 100 points, has 29 problems. Each problem is worth either 5 points or 2 points. Let x be

Question

2 years ago

12

Mr. Martin’s math test, which is worth 100 points, has 29 problems. Each problem is worth either 5 points or 2 points. Let x be

the number of questions worth 5 points and let y be the number of questions worth 2 points. x + y = 29, 5x + 2y = 100 How many problems of each point value are on the test?

Mathematics

2 answers:

klio [65] · Answer 1 · 2022-06-01T12:51:59+03:00

klio [65]2 years ago

6 0

(x + y = 29)
(y = 29 - x)
(5x + 2(29 - x) = 100)
(5x + 58 - 2x = 100)
(3x = 42)
(x = 14)
(y = 15)
(14 5-point questions and 15 2-point questions)

zimovet [89] · Answer 2 · 2022-06-01T13:55:47+03:00

zimovet [89]2 years ago

5 0

Answer:

b

Step-by-step explanation: