Cost of a sled: $99.50
markup: 85%

You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?

Me because some of question i don’t understand

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)