The chef took out 54.8 g of butter but then found out that he took out 6.9 g of butter more than he needed. How much butter did he need?

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.

Aschool had an election where the candidates received votes in the ratio 1: 2: 3. if the winning candidate received 210 votes, how many total people voted in the election?