6th grade math , help me please :))

Answer:
a)4.5:1
b)3.2:1
c)19.2:1
d)3.29:1
Step-by-step explanation:
A - (4.5 grams of salt per every one cup of water)
B - (3.2 ounce each week)
C - (19.2 grams to every 1 cubic centimeter)
D - ($3.29 per gallon of gas)
Divide the larger number by the smaller number to get the ratio.
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