Noam solved the equation for k using the following calculations. k - 7.6 = 10.35. + 7.6. k = 17.41.

What error, if any, did he make?
He should have subtracted 7.6 instead of adding it.
He should have subtracted 10.35 from both sides.
He made a computation error when he added 10.35 + 7.6.
He made a computation error when he added -7.6 and 7.6.

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Write an expression that represent sarah’s total pay last week.represent her hourly wage with w monday 5 tuesday 3 wednesday 0 noah hours wednesday 8 only with w wage did noah and sarah earn the same amount last week?

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did