B. Directions: Read and analyze the following problems. 6. One number is 13 more than another. The sum of twice the smaller number and thrice the larger is 99 . What are the two numbers? 7. There are 13 blue marbles. The blue marbles are three more than twice the number of red marbles. How many red marbles are there? 8. The sum of the ages of Sam and Matt is 29 . The sum of the ages of Sam and Ben is 26 . The sum of the ages of Math and Ben is 31 . How old is the youngest among the three boys? 9. Michael saved PhP600.00 in his wallet. For the last four weeks, he saved PhP100.00, PhP235.00, PhP460.00, and PhP340.00. How much did he save in all? 10. Luisa took PhP80.00 from her coin bank on Thursday. Then on the following, she took another PhP50.00. What was the total amount she took from her coin bank?
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