A skateboarder rides by my office every 8 minutes, and a cyclist rides by every 10 minutes. How long will it take for the skateb
oarder and cyclist to ride by at the same time?
1 answer:
Answer:
40 minutes
Step-by-step explanation:
10 times 4 = 40
8 times 5 = 40
so they will cross paths after 40 minutes of riding
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X - Linda's speed
(x+8 )- Colleen's speed
8x - Linda's distance for 8 h
8(x+8) = 8x+64 - Colleen's distance for 8 h
8x + 8x + 64 = 176 - distance between Colleen and Linda after 8 h
8x + 8x + 64 = 176
16x +64 = 176
16x = 176 - 64
16x = 112
x= 7 mph Linda's speed
x+8 = 7+8 = 15 mph Colleen's speed
Answer:
5.wy
6.?
7.?
Step-by-step explanation:
sorry i dont have that book
maybe too the other
Answer:
24 does not equal 21
Step-by-step explanation:
4×-3(×-2)=21
Distribute:
4*6=21
24 does not equal 21
Answer:
$0.45
Step-by-step explanation:
Unit price is basically the same as unit rate. Unit rate is the cost of one item.
So $3.15 divided by seven is point fourty-five.
Answer:
thats clearly 50 bt okay
Step-by-step explanation:
C
