3 years ago

9. There are 40 minutes to solve a test of 60 questions. A student completes 20 questions in 20 minutes

1 answer:

4 0

He solved 30 questions.
He solved one question in one minute.
This if he continued at the speed and there are 40 minutes to solve the test and he leaves 10 minutes earlier. He is left with 30 minutes and one minutes per question . Therefore, he solved 30 question.

You might be interested in

sam ran 63,756 feet in 70 minutes what is sam rate in miles per hour there are 5,280 feet in one mile

topjm [15]

Answer:

simply convert first feets into miles

Given is 5280 feets=1 miles

63756 /5280=12.075 miles

70 minutes = 1.16666= 1.17 hrs

rate is 12.075 miles/1.17 hrs

Step-by-step explanation:

7 0

3 years ago

A team of 9 tennis players can order bags with their uniforms

jeka94

Answer:

Step-by-step explanation:

5 0

3 years ago

Find the area of a circle whose circumference is 31.4 centimeters. (Pi form) {FREE BRAINLIEST]

vagabundo [1.1K]

Answer:

78.46 cm^2

Use area formula

6 0

3 years ago

Read 2 more answers

I need step by step instructions on how to get the y-intercept for the following function:

Svetllana [295]

Luktdkilfdiykfg;oizxkuilouyk7it8rl,kvkuc kugc ulv lug

4 0

3 years ago

A camp needs 100 students to help with the 4-year old campers. Eight students from 4 different classes have agreed to help. How

vladimir2022 [97]

Answer:

Step-by-step explanation:

First you multiply 8 and 4 to get 32 and that shows you how many campers have agreed to help. Next you have to subtract 32 from 100 to know how many more people you need.

8 0

3 years ago