1st Quarter Review #6 7th Grade Math 1) A cookie recipe calls for 2.5 cups of sugar and 4 eggs. If 6 eggs are used, how much sugar is needed? 2) Which expression is equivalent to 10 15 A. 10 5 B. 10 ________ C. 6) 4 5 9 2 3) A magazine states that 4 out of 7 doctors recommend Flash Toothpaste. If 1400 doctors were surveyed, how many recommend Flash Toothpaste? ______ Name: _________________ 4) Evaluate: 8 1 5 3 6 11 3 7 x 15 6 Width: ______________ 50 10 _______ 1 of a 4 1 pound of grapes in of a 17 minute. How many minutes will it take her to eat a full pound of grapes? 7) Lillian eats 5) The rectangle below has a length of 6 units and an area of 27 units2. Find the width of the rectangle. 8) Evaluate each expression. A. 4x 1 for x 6 _______ B. x for x 50 5 _______ C. 8 6x for x 2 _______ 9) Use proportions to find the missing side (d) of the triangle. 10) If the price of a softball glove decreased from $60 to $36, what was the percent of decrease? 11) Find the difference in the volumes. 12) Four gallons of gas cost $16.80 find the unit rate. 13) Simplify each expression. 14) Change into a decimal. A. 11 20 ______ 23 4 B. 2(8 3( 4 2)) V = _____ ________ V = ____ Difference = ______________ 16) Graph and connect the following points, then find the area of the shape. ( -3, 2), ( -3, -2), and (1, -2). Area = _____________ 15) Use proportions to find the missing value (x). C. 3 6 _____ D. (6 9) 10 3 ______ 17) Identify the constant of proportionality (unit rate) using the table below. Give the rate in minutes laps per. Laps Minutes 2 3 5 6 9 15 ____________ min./laps 18) Mary decreased her time in the mile walk from 30 minutes to 24 minutes. What was the percent of decrease? 19) ) Simplify each expression. A. 3 2 5 _______ 7 14 B. 8 1 6 _______ 9 3 C. 1 5 20) Find the perimeter and area of the triangle below. 7 9 8 3 ______ 3 25 7 _____ D. 5 a). Perimeter = __________ b). Area = ______________