Ihave 120.000 at 00.3 %interest how much money extra in 1 month

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.