Negative dividing by negative gives positive,
so 18:9=2
First, you have to add up the cost of each meal and drink:
12.50 + 12.50 + 1.50 + 1.50 = 28
$28 is the cost before the tip. Now multiple 28 by .18 to find the tip:
28 x .18 = 5.04
The tip was $5.04. Add the 28 and the 5.04 to get the total cost:
28 + 5.04 = 33.04
ANSWER:
The total cost was $33.04
Since it's a right triangle, we can use SOH-CAH-TOA. So tan(x) = opposite/adjacent = 5/20
tan(x) = 1/4 = 0.25
x = arc-tan (0.25) = 14.04°
To Simplify Fractions what you have to do is get the number then see what can divide into both the numerator and denominator equally Here:
1.5/8 Nothing can go into both so you leave it.
2. 3/5 + 1/4 = 4/9 Still nothing can go into it.
3. 4/7 + 1/8 = 5/15 you can divide, 5 can go into 5 , 1 time , 5 can go into 15 3 times the answer is 1/3
