Answer:
370
Step-by-step explanation:
Round each answer into easier to add numbers. 92 and 91 round down to 90. 9 rounds up to 10.
600 * .34 = 204 are in 8th grade
204 * 1/4 = 51 51 8th graders walk to school
D
Answer:
Step-by-step explanation:
The sum of adjacent angles traversed by a line must equal 180 degrees.
128+x=180
x=52
Answer:
40
Step-by-step explanation:
highest=2(lowest)+7
Replace the variables here:
87=2(lowest)+7
minus 7 on both sides
80=2(lowest)
divide both sides by 2
40=lowest