Melanie saves $20 every month in her savings account. She withdrew $60 one time to go shopping. She now has $280 in her account. Write an equation to determine how many months she has been saving.

Well very interesting question she saves for 17 months.

Let us see!

Step-by-step explanation:

Represent per month saving with 20n. where n is number of months.

she withdraw $60 so

= 20n-60

She now has $280, thus above equation becomes

280 = 20n-60

280+60=20n

340/20=n

n=17

She has been saving 17 months

Step-by-step explanation:

20x - 60 = 280

20x = 340

x = 17