Answer:
Pairs of ratios that form a proportion
A proportion is simply a statement that two ratios are equal. It can be written in two ways: as two equal fractions a/b = c/d; or using a colon, a:b = c:d. The following proportion is read as "twenty is to twenty-five as four is to five."
4x+8x+12x+16x=5+10+30+40
4x+8x+12x+16x= 85
40x=85
x= 85/40
x=2.125
17+2g
Step-by-step explanation: