Solve each problem and show your solution.
1.A number increased by 5 is 12.
2.Teresa went to market to buy 3 kg of fish at 140.00 per kilo and 2 kg of chicken at 150.00 per kilo. How much was her change from 1000.00?
3.The sum of two numbers is 8. If the first number is 3,what is the second number?
4.If thrice a number is increased by 11, the result is 35.What is the number?
5.Karen saved 200.00 this week from her allowance. If this amount is 50.00 more than twice the amount she saved last week how much did she save last week? Pls help me