1/4:3= 1/4•1/3=1/12acre - size of each section
1/2•1/5=1/10yard
(2+2):2x4:16-10x2:2x3=x
4:2x4+16-10x1x3=x
8+16-30=x
-6=x
x=-6
This signing : signifícate division
I help the my answer can help you
Answer:

Step-by-step explanation:


12 more boys than girls
ratio of boys to girls = 7:5
thus 2/12 is difference between boys and girls = 12
total students = 12 ÷ 2/12 = 72
The answer is both all real numbers less than 0 and all real numbers greater than 0