It is: 15+w or w+15 as a algebraic expression
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15 + w expresses the sum of 15 and w
Oh, dude, the quotient of 100 and w in algebraic expression is simply 100 divided by w. It's like when you have a hundred bucks and you wanna split it with your friend w, you just do 100 divided by w and there you have it! Easy peasy lemon squeezy.
W = j + 10
For example you have w-1 a verbal expression for that algebraic expressionwould be a number decreased by 1. Another example is x+4 would be 4 more than a number. 5c is the product of 5 and a number. h/8 is a number divided by 8.
The phrase "varies directly as" means that there is a number k such that w = k(2x - 1). From the results given for w = 9 when x = 2, 9 = k(4 - 1), or k = 3. Then when w is 15, 15 = 3(2x - 1), or 15 = 6x - 3, or 6x = 15 + 3, or x = 18/6 = 3.