Akira is going shopping for a computer and pencils. The cost of the computer is 10$ and the cost of each pencil is 2$.If Akira can spend at most 60$ how many pencils can be purchased? Solve: 2x + 10 < 60
Explain what the solution means in the context of the word problem.
WORTH 90 POINTS PLEASE HELP

What’s the answer ? use the picture to see the problem

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?