Mrs. Terry's class has 28 students. The class includes 12 boys. What is the ratio of girls to boys? (remember to simplify)
3:4
3:7
4:3
7:3

  4:3.

Step-by-step explanation:

The original answer is 16:12. But, when it's simplified, it's 4:3

4:3

Step-by-step explanation:

28-12 the boys

16=girls

ratio; 16=12

g=b

simplify 16=12

4=3

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

the answer would be 1 1/72

step-by-step explanation:

you can rewrite the equation by separating the parts and then solving individually:

10-9=1

1/8 - 1/9=

find l c d and then combine:

1 1/72