Answer:
100
Step-by-step explanation:
150 divided by 3 is 50. So that means one third of 150 is 50. Subtract 50 from 150 and you're left with 100.
Answer:
$9
Step-by-step explanation:
The breakfast before tip costs x.
The tip is 20% of x.
The tip is $1.80.
20% × x = 1.80
0.2x = 1.8
x = 1.8/0.2
x = 9
Answer: $9
She has been gone 52 min.
57 - 5 = 52
Answer:
x=10
Step-by-step explanation:
The 3 angles of a triangle add to 180
4x+60+80 = 180
Combine like terms
4x+140 =180
Subtract 140 from each side
4x+140-140=180-140
4x = 40
Divide by 4
4x/4 = 40/4
x = 10