Respuesta :
Answer:
The answer is 2
Step-by-step explanation:
This is because 3 times 16 is 48, so add 2 more multiple choice questions and it equals 50. Hope this helps :p
Answer:
5 multiple choice questions
Step-by-step explanation:
Set 1 point questions to "x" and 3 point questions to "y".
You can form the equations:
x + y = 20
1x + 3y = 50
Using substitution, you can rewrite the first equation to: "x = 20 - y" and plug it into the bottom equation.
1(20-y) + 3y = 50, then open parenthesis and combine like terms
2y = 30, then divide both sides by 2
y = 15, there 20 total questions, and 15 short answer questions, so there are 5 multiple choice questions
3*15+1*5 = 45 + 5 = 50