Answer:
Step-by-step explanation:
1 cm=10 km
8 cm=10×8=80 km
The denominator of a fraction is 1 more than 3 times the numerator. If the denominator is doubled and the numerator is increased by 2, the value of the resulting fraction is 1/4. Find the original fraction.
The original price was $500
20% of 500 is 100
y = 8
8 + 24 = 32
32/4 = 8
