7.) Which of the following ratio is a proportion?
a.)b5:6 = 12:5
b.) 8:4=4:8
c.) 36:40=5:9
d.) 50:100=1:2
8.) ________ is the comparison of two quantities which can be written in colon, word and fraction.
a. proportion
b. ratio
c. rate
d. unit rate
9. if the quantity increases the other quantity also increases the same rate and vice-versa.
a. direct
b. inverse
c. partitive
d. proportion​