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Questions in Grade Middle-school

[Answered] At summer camp, the ratio of boys to girls was 7:2. If there were 21 boys, how many girls were there?

[Answered] How can you use number patterns to find the least common multiple of 120 and 360?

[Answered] Is \( 2 \text{ tens } 3 \text{ tenths } 1 \text{ thousandth} \) greater or less than 20.31?

[Answered] What two integers does the square root of 18 lie between?

[Answered] A fast food restaurant sold 24 burgers with cheese. If the ratio of burgers sold with cheese compared to without cheese was 3:2, how many burgers did they sell in total?

[Answered] What is the best estimate for the product of 289 and 7?

[Answered] Write the name given to a large area of sea or ocean that is partially enclosed and is larger than a bay.

[Answered] What is the greatest common factor of 142 and 148?

[Answered] How can I do this problem? \[ 10 \times 2 \text{ tens} = \, ______ \text{ ones} = \, ______ \]

[Answered] Help me solve this: 5 hundreds x 10 = ________ hundreds = ______