Let, the number = x
100 + (-2 * x ) = 50
100-2x = 50
2x = 100-50
x = 50/2
x= 25
So, your final answer is 25
Hope this helps!
The base would be x since it is being raised to the 2nd power in the expression. The base of an exponent is always the number being raised to a power or index.
No instructions? I'll assume you want the unit rate.
4 miles in 36 minutes = 4/36 miles in 1 minute, or 1/9 mile in 1 minute.
1 3/4 mile in 20 minutes? Multiply both figures by 3:
7 miles in 60 minutes, or 7 miles in 1 hour, or 7 mph.
Retail Price= $40
Price after 20% discount
20/100 x 40 = $8
40-8= $32 after discount
tax paid on $32 shirt = 5/100 x32 = $1.6
she paid $32+$1.6= $33.6
