What’s the number of cups in 7 pints in a equation

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

20 points + brainliest answer + my mom’s chocolate chip cookie ! subtract.

One cell phone plan charges $20 per month plus $0.15 per minute used. a second cell phone plan charges $35 per month plus $0.10 per minute used. write and solve an equation to find the number of minutes you must talk to have the same cost for both calling plans.