Blue balls : Total number.
Total number of balls = 50 + 45 + 65 = 160
Blue balls : Total number.
= 65: 160 Divide both by 5.
= 13 : 32
= 13/32. That is the ratio.
Answer:
x=24
Step-by-step explanation:
Here, you need to make proportion and find x.
12:16=18:x
We multiply 12 by x and 16 by 18:
12x=288
Divide by 12 both sides :
x=24
Let maria drive for x hours, then
<span>51x + 53(5-x) = 258 </span>
<span>265 - 2x = 258 </span>
<span>2x = 7 </span>
<span>x = 3.5 hours </span>
<span>-------------------</span>
Step-by-step explanation:
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