Answer:
20y + 5x
Step-by-step explanation:
Combine like terms
12y + 5x + 8y
20y + 5x
Answer: Gear B turns 90 times when gear A turns 60 times
Step-by-step explanation: To solve this you just 30x3=90
The average speed of Martha and Sarah is 32 km/h.
We need to know about the speed to solve this problem. Speed can be determined as the distance traveled divided by time. It can be written as
v = s / t
where v is speed, s is distance and t is time.
From the question above, we know that:
t sarah = 3 hours
t martha = 5 hours
v sarah = 40 km/h
By using the speed equation, we get the distance
vsarah = s / tsarah
40 = s/3
s = 120 km
Find Martha's speed
vmartha = s / tmartha
vmartha = 120 / 5
vmartha = 24 km/h
Find average speed
v = (vsarah + vmartha)/2
v = (40 + 24) / 2
v = 32 km/h
Hence, the average speed of Martha and Sarah is 32 km/h.
Find more on speed at: brainly.com/question/6504879
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6 d x 24<span> hr = 144 hr 144 hr </span>x 60 min<span> = 8640 </span>min<span> 16 hr </span>x 60 min<span> = 960 </span>min<span> 8640 </span>min<span> + 960 </span>min<span> + 34 </span>min<span>= 9634 </span>min<span>. In the first </span>conversion<span>, we used </span>24 hours<span> because there are </span>24 hours<span> in a ... </span>Convert<span> 4 gallon 3 quarts </span>1 pints<span> into </span>pints<span>. ... For example, larger to smaller units still </span>multiply<span> and smaller to larger units still </span>divide<span>.</span>
