Answer:
35 grams
Step-by-step explanation:
The ratio of zinc to copper is 3 to 11
A jar of chemical contains 385 grams if copper
Therefore the number of grams of zinc it contains can be calculated as follows
3/11= x/385
11x= 385
x= 385/11
= 35 grams
Hence the chemical contains 35 grams of zinc
3/5 is bigger because 4/7 = 20/35 and 3/5 = 21/35
9w^3 ...........................
Answer:
13
Step-by-step explanation:
x*x=12*12+5*5
x*x=144+25
x*x=169
x=13
Answer:
D
Step-by-step explanation:
a meter is 100 centimeters so the ratio of the real car to the model is 300 centimeters to 3 centimeters, or 100:1 so D
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