Solve the problem.On Thursday, Grace started her road trip to visit her parents. On Friday, she drove twice the number of miles she drove on Thursday. If Grace drove a total of 501 miles on her two day trip, how many miles did she drive on Thursday?
A. 83.5
B. 334
C. 167
D. 267
Answer: C
Mathematics
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Solve the equation.5z + 18 = 4z + 2
A. 20 B. -20 C. -16 D. 16
Mathematics
Solve.Assume that the mathematical model C(x) = 16x + 140 represents the cost C, in hundreds of dollars, for a certain manufacturer to produce x items. How many items x can be manufactured while keeping costs between between $526,000 and $782,000?
A. 340 < x < 510 B. 510 < x < 680 C. 480 < x < 640 D. 320 < x < 480
Mathematics
Simplify each side of the equation and then solve. Check your solution.-2 - (-10) = 2x
A. 9 B. 6 C. 4 D. 10
Mathematics
Find the sum or difference.(-8x5 + 2x7 + 9 + 3x6) - (8 + 8x6 + 5x7 + 5x5)
A. -3x7 + 11x6 - 3x5 + 17 B. -3x7 - 5x6 - 13x5 + 1 C. 7x7 + 11x6 - 3x5 + 1 D. 7x7 + 11x6 - 3x5 + 17
Mathematics