Answer:
Step-by-step explanation:
x - 3y + 8x - 7y = 5 + 6
9x - 10y = 11
9x - 10y + 10y = 11 + 10y
9x = 11 + 10y
9x ÷ 9 = 11 + 10y ÷ 9
Samatha had 7/8 of a yard of ribbon she used 1/6 of a yard for a bow how much ribbon does she have left
1 answer:
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Answer:
Step-by-step explanation:
Given that every day at noon, a bus leaves for Townville and travels at a speed of x kilometers per hour. Today, the bus left 30 minutes late.
If the driver drives 7/6 times as fast as usual, she will arrive in Townville at the regular time.
If correct time leaves then distance = time *speed
280 = t*x where t is the time in hours
Or t = 280/x
Now speed changes to 7x/6 while time changes to (t-1/2)
So 280 = (t-1/2) 7x/6
x = 80 km per hour