Kato and Marjani are collecting cans of soup for a service project. Kato collected 4 cans of soup. Marjani collected 9 times as many cans of soup as Kato. Marjani collected n cans of soup. Which equation could be used to find the number of cans Marjani collected?     4 ÷ 9 = n 4−9=n 4 + 9 = n 4 × 9 = n

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Equations and inequalities describe the relationship between two mathematical expressions.

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A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.