1 chair is 79.99
40% discount
79.99 ÷ 100 =0.7999
0.7999 × 60 = 47.994
47.994 rounded down is $47.99
79.99-47.99=30.00
he saved $30
Log N^3 = 3 log N
using the theorem log a^2 = 2 log a
1/2 (Base x height) = area
1/2 (4*x)=10
2x=10
X=5
The height is 5 units
Answer:
Step-by-step explanation:

Combine like terms. 1/4 and 7/8 are like terms and LCD of 4 and 8 is 8
9/10y and -3/5y are like terms and LCD of 10 , 5 is 10
