Answer:
I dont understand your question but I'm going to assume that you want to add those numbers the answer would be 37 marbles in total
9 is 18% of 50. So, 50 percent also written as 50% means 50 out of 100 parts. Since there are exactly two 50s in 100, fifty percent is the same number as one half. 50 percent=0.5 in but as a fraction, its 1/2.
<span>Equation:
train distance + plane distance = 1300 miles
50x + 275x = 1300
x(325) = 1300
x = 4 hours
4x2=8
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The trip took 8 hrs.</span>
-3/2
perpendicular slopes are those that are opposite sign and reciprocal of the original given slope