Is this a true proportion?
22: 88: : 10: 40

is this a true proportion?
2" : 12" : : 6" : 24"

solve for (x)
7 : x : : 35 : 125 =

solve for (x)
2 qt : 6 qt : : x : 48 qt =

solve.
what is 45% of 180?

22/88 = 10/40
cross multiply
(22)(40) = (88)(10)
880 = 880true proportion

2/12 = 6/24
(2)(24) = (12)(6)
48 = 72 (incorrect)not a true proportion

7/x = 35/125
35x = 7(125)
35x = 875
x = 875/35
x = 25

2/6 = x/48
6x = 48(2)
6x = 96
x = 16 qt.

45% of 180...turn percent to fraction" of " means multiply
0.45(80) = 36so 45% of 180 is 36

add all together then subtract by yhe original numbers so in this on it will be 4