contestada

there are 24 questions on a test. Each question is worth either 4 points or 5 points. The total number of points is 100. How many of each type of question are on the test?

Respuesta :

plara24

Answer:100

Step-by-step explanation:

Let a = # of 4 pt questions, and b = # of 5 point questions

4a +5b =100

and a+b=24,,,or a = 24-b

4(24-b) +5b = 100

96 -4b +5b = 100

b= 4

a= 24-b = 20

check

4(20) + 5(4) = 100

strawxb3rry

Answer:

the answer is 100

Step-by-step explanation:

Otras preguntas