Question

a test contains 35 quetions worth a total of 100 points. There are seven-point questions and two-point questions. How many two-point questions are tere? How many seven-point questions?

Assign two variables. and two equations please! thank you ! for yalls help

Answer 1

35 = s + t
100 = 7s + 2t

100 = 7(6) + 2(29)

7 × 6 = 42
100 - 42 = 58
58 / 2 = 29
29 + 6 = 35

On the 100 point test, out of 35 of those questions, there are 6, 7 - point questions and 29, 2 - point questions.