indzhia
contestada

Can someone pls help me!

Ms. Failla decides that she wants to give a test on ratios and rates. The test consists of 18 questions. How much time must Mrs. Storz give to her students if she plans that the students can answer the questions at a rate of 3 questions in 7.5 minutes?

Can someone pls help me Ms Failla decides that she wants to give a test on ratios and rates The test consists of 18 questions How much time must Mrs Storz give class=

Respuesta :

PixelArcaders112462

Answer:

Mrs. Storz must give 45 minutes

Step-by-step explanation:

Create a proportion:

t = total time given for all questions

[tex]\frac{3}{7.5} = \frac{18}{t}[/tex]

Cross multiply:

3t = 135

Divide both sides:

3t/3 = 135/3

t = 45

Otras preguntas