soliget2781 soliget2781

12-10-2017
Mathematics

contestada

The ratio of boys to girls in a class is 4:3. if there are 70 students in the class how many are boys

Respuesta :

audreylaginess audreylaginess

14-10-2017

Here is an example,

The ratio of boys to girls in the class was 4:5. There were 24 people in the class. How many boys? How many girls?
-------
4:5 is the same as 4x:5x where 4x is # of boys and 5x is # of girls.
----
Equation:
4x+5x = 24
9x = 24
x = 24/9

Answer Link

Otras preguntas

Describe an advantage of using dry ice to ship cardboard cartons of ice cream over long distances.

convert 1,000,000 to scientific notation

Explain how advances in learning and technology influenced fifteenth and sixteenth century European exploration and trade.

You bike for 2 hours at a speed no faster than 17.6 mph. Write an inequality that represents the possible number of miles you bike.

What are the steps to solving 46-3t=-23

On a map, two cities are 5 and 3/4 inches apart. The scale of the map is 1/2 inch = 3 miles. What is the actual distance between the towns?

convert 1,000,000 to scientific notation

A car rental agency advertised renting a car for $23.95 per day and $0.28 per mile. If Brad rents this car for 2 days, how many whole miles can he drive on a $2

How is a compound sentence formed

The process of grouping things based on their similarities is?