Question

1. James is a runner. He ran 7 km in 4 hours in the morning and another 8 km in 4.5 hours in the afternoon. How many minutes did he run in a day?
2. Ana is K years old now. Beth’s age is twice as Ana’s age 8 years hence. What algebraic expression describes Beth’s age?
3. Bong walked (3x2 - 8) meters in the morning and (5x2+1) meters this afternoon. What is the total distance that he walked this day?
4. James is making a rectangular plant box. Its width is (3x + 5) inches and its length is (5x- 2) inches. What is the length of the wood that he needs in order to enclose the sides of the box?
5. A food company which sells beverage likes to use exponents to show the sales of the beverage in a2 days. If the daily sales of the beverage is 6a4, what is the total sales in a2 days?
6. Mang Tomas has a square plot full of pechay plants. Its side is (2x +3) meters. Find the area of his plot in terms of x.

Answer 1

Step-by-step explanation:

1.8.5 hours

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