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Questions in Grade Middle-school

[Homework Help] Pedro is building a spice rack with 4 shelves that are each 0.55 meters long. At the hardware store, Pedro finds he can only buy the shelving in whole meter lengths. 1. Exactly how many meters of shelving does Pedro need? 2. Since he can only buy whole number lengths, how many meters of shelving should he buy?

[Homework Help] How do you solve the equation \(4x - 7 = 2x + 15\)?

[Homework Help] A car travels 172 miles using 7 gallons of gas. How far can the car travel using 42 gallons of gas?

[Homework Help] John is twice as old as his sister Jane. Four years ago, John was three times as old as Jane. What is John’s current age?

[Homework Help] What is \( \frac{20}{24} \) as a decimal and a percent?

[Homework Help] Mathilde has 20 pints of green paint. She uses \(\frac{2}{5}\) of it to paint a landscape and \(\frac{3}{10}\) of it while painting a clover. She decides that for her next painting she will need 14 pints of green paint. How much more paint will she need to buy?

[Homework Help] Yoshi and Rana serve muffins. There are 3 muffins with nuts. \(\frac{1}{6}\) of the muffins have nuts. How many muffins do they serve in all?

[Homework Help] Could someone help me, please? What's the answer for \(4 + 3p = 19\)?

[Homework Help] What structure do the cells of a maple tree and the cells of a beetle have in common?

[Homework Help] Jack, Jill, and Bill each carried a 48-ounce bucket full of water down the hill. By the time they reached the bottom: - Jack's bucket was only 3/4 full. - Jill's bucket was 2/3 full. - Bill's bucket was 1/6 full. How much water did they spill altogether on their way down the hill?