Step-by-step explanation:
the slower plane traveled x miles in 4 hours.
the faster plane traveled x + 4×80 = x + 320 miles in 4 hours.
so,
x + x + 320 = 3800 miles
2x =3480 miles
x =1740 miles (in 4 hours) .
that means the slower plane's speed was 435 mph.
and the faster plane's speed was 435 + 80 = 515 mph.
Answer:
Do you know Mathwa y it’s a site of math that does all the work for u it even can put words in the problem. I had the same work as u and I did it all there
Step-by-step explanation:
Pretty sure it's C, Good Luck!
Answer: 336 beads
Step-by-step explanation:
To find how many beads are in each layer, use the equation 12 x 7 = 84
Then multiply the amount of beads by each layer: 84 x 4 = 336
