18 hours.
Proportions and stuff.
= 
Cross multiply,
204x = 918 * 4
204x = 3672
/204 /204
x = 18
18 hours.
Proportions and stuff.
Cross multiply,
204x = 918 * 4
204x = 3672
/204 /204
x = 18
18 hours.
Two planes, which are 2820 miles apart, fly toward each other. Their speeds differ by 55 mph. If they pass each other in 4 hours
1 answer:
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