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Jaya's coach agreed to buy ice cream for all of the team members. Ice cream cones are $2.40 each. Write and solve an equation to find how many cones the coach can buy with $30.
Let n represent the number of cones the coach can buy.
2.4 + n = 30 ; n = 27.6
n(2.4 + 4) = 30 ; n = 4.69
30 - 2.4 = n ; n = 27.6
2.4n = 30 ; n = 12.5
A rectangle has a length of (x + 5) centimeters and a width of 5 centimeters. If the perimeter is 35 centimeters, what is the length of the rectangle?
x = 7.5
length = 10
length = 12.5
x = 5