Answer:
43. 171 × $4.50 = $769.50
(171 ÷ 9) × 2 = 38
38 × $7.25 = $275.50
$769.50 + $275.50 = $1,045.00
$1,045.00 × 1.04 = $1,086.80
Answer: $1,086.80 for museum tickets and parking
171 + 38 = 209
209 × $6.00 = $1,254.00
$1,086.80 + $1,254.00 = $2,340.80
Answer: $2,340.80 for the total budget
44. Equation: 2a + 10 = 70
2a + 10 = 70 (subtract 10 from each side)
2a = 60 (divide each side by two)
a = 30
Answer: 30 envelopes
45. Inequality: $2.20x + $2.40 < $9.00
$2.20x + $2.40 < $9.00 (subtract $2.40)
$2.20x < $6.60 (divide by $2.20)
x < 3
Answer: x < 3
46. 3 inches in 4 minutes
3 ÷ 4 = 0.75
Answer: 0.75 inch(es) per minute
The only time Landon's elevation changed was from minutes 4 - 10 and 14 - 18. We know that Landon's elevation changed the fastest between minutes 14 - 18, because this occurred over the shortest period of time.
