First test: 85
second test: 60
third test: x = ?
total: 70
(85 + 60 + x) / 3 >= 70
You have to divide this by the number of tests Ted will take (in this case 3).
145 + x >= 70 * 3
x >= 70 * 3 - 145
x >= 210 - 145
x >= 65
Ted has to score at least 65 on his third test.
Answer:
x = 6/5 = 1 
Step-by-step explanation:
3x + 1 = -2x + 7
+2x - 1 = + 2x - 1
5x = 6
x = 6/5 = 1
Hope this helps:)
Answer:
5
Step-by-step explanation:
300/60=5
Answer:
36
Step-by-step explanation:
We need to find the LCM of the two numbers because we need to know the lowest number that 12 and 9 are both in.
12 × 1 = 12
12 × 2 = 24
12 × 3 = 36
12 × 4 = 48
9 × 1 = 9
9 × 2 = 18
9 × 3 = 27
9 × 4 = 36
We can see that 36 is the lowest number that occurs both in 12 and 9 so the blue and red light will both link at 36 seconds
Answer:
a. 1.29
Step-by-step explanation:
