1. 78 = 0.15x
78 / 0.15 = x
520 = x.....so 78 is 15% of 520
2. | 3x - 2 | = 8 | x + 1 | = 1
3x - 2 = 8 -(3x - 2) = 8 x + 1 = 1 -(x + 1) = 1
3x = 8 + 2 -3x + 2 = 8 x = 1 - 1 -x - 1 = 1
3x = 10 -3x = 6 x = 0 -x = 2
x = 10/3 x = -2 x = -2
ur answer is : x = -2
3. 3y - 4x + 5 = 0
3y = 4x - 5
y = 4/3x - 5/3
slope = 4/3
<span>What we need to do here to find out the total cost of the lawnmower is to add the sales tax to its standard price. So we have: FinalCost = 228 + 6/100 * 228 <=> FinalCost = 228 + 13.68 <=> FinalCost = $241.68. So the answer is A.</span>
Answer:
49.95 x 7.25% =3.621375
49.95 + 3.62 = 53.37
Step-by-step explanation:
38 < x + 10
38 - 10 < x
x > 28
