Tom and Suzie collect rocks on walks around town. Tom had 60, and on each of his last two walks he collected 12 rocks. Susie
had 68 rocks then went on a walk and collected 17 more.
Which number sentence correctly compares how many rocks
Tom and Suzie have?
A. 60 + 2 x 12 > 68 + 17
B. 60 + 2 x 12 < 68 +17
C. 60 + 2 x 12 = 68 + 17
D. (60 + 2) x 12 > 68 + 17

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?