3 poil The ratio of the number of Taylor's CDs to the number of Dave's CDs is 7 to 9. Taylor has 84 CDs. Together how many CD's do they have?
answer: city needs 2.4 inches of rainfall more to match the record of 40 inches.
step-by-step explanation:
since we have given that
total annual rainfall a city record = 40 inches
this year, total rainfall recorded = 37.6 inches
number of inches of rainfall is needed to match the record of 40 inches is given by
hence, city needs 2.4 inches of rainfall more to match the record of 40 inches.
a 4/6 = 9/12 not proportional
step-by-step explanation:
to find which are not proportional, we can use cross products
if it is true, they are proportional. if it is not true, they are not proportional.
a 4/6 = 9/12
4* 12 = 6*9
48 = 54
not this is not proportional
b 2/3 = 12/18
2* 18 = 3 * 12
36 = 36
this is proportional
c 5/4 = 10/8
5*8 = 4*10
40 = 40
this is proportional
d 7/5 = 35/25
7*25 = 5 * 35
175 = 175
is proportional