SAT Math 2 Study Review Test.

SAT Math 2 Study Review Test. 3(x-300) - CORRECT ANSWER One of the rules in a public speaking contest requires contestants to speak for as close to 5 minutes (300 seconds) as possible. Contestants lose 3 points for each second they speak either over or under 5 minutes. Which expression below can be used to determine the number of points a contestant loses if she speaks for x seconds? 4 - CORRECT ANSWER A factory designs cylindrical cans 10cm in height to hold exactly 500 cm cubed of liquid. Which of the following in cm best approximates the radius of these cans? 25x + 75y = 1600 x = 1.3y + 1.65 - CORRECT ANSWER The owner of a landscaping company is developing a proposal to maintain the grounds of a building. It is estimated that 75 gardening hours and 25 foreman hours will be required. The total budget for these hours is $1,600. The hourly wage for a foreman is 30% more than a gardener plus an additional $1.65 per hour. Which of the following systems of equations can be used to determine the hourly wages of a gardener, y, and a foreman, x, so the total wages are $1,600? 7 - CORRECT ANSWER Devin is a landscaper who needs to prepare different types of grass seed for his customers' yards. Bluegrass seed costs $2.00 per pound while drought-resistant seed costs $3.00 per pound. If for a particular day the two types of grass seed totaled $68.00 and together weighed 25 pounds, how many pounds of bluegrass seed did Devin prepare?