Quiz 3
kevin is 3 times as old as daniel. 4 years ago, kevin was 5 times as old as daniel.
how old is kevin now?
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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

What is the volume of this container?

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.