bartlettlily69 bartlettlily69

17-04-2021
Mathematics

contestada

A machine can grade 30 tests in 2 minutes. At this rate, how long will it take the machine to grade 135 tests?

8 minutes

9 minutes

10 minutes

12 minutes

Respuesta :

haybuckets8 haybuckets8

17-04-2021

ANSWER: 9 minutes

WHY:

30/2= 15 so 15 tests per minute

135/15=9 so nine minutes for 135 tests

MARK ME BRAINLIEST PLEASE

Answer Link

Otras preguntas

#5 please! Need help

what is equal to 23×12

Dolores made two isosceles right triangles by cutting the square along its diagonal. She says she can find the area of one of the triangles by using the formula

how did the white colonists fell about freedom

How does society address health problems ?

the gas that makes up about 21 percent of the atmosphere is ?

“Fatally fascinating” can be labeled as what literary device

What happens when magnesium reacts with dilute acid?

The length plus the width of a rectangle is 10 . Let x represent the length. The equation for the area y of the rectangle is y = x(10 – x). The y-value of the v

A flagpole cast a 20-foot shadow on the ground perpendicular to its base. The angle of elevation from the end of the shadow to the top of the flagpole is 30 whi