Formula for speed = distance/ time
S = 7/.9 = 7.77 miles per hour or 8 mph if you round up.
Answer:
Kelly walks 4/5 of a mile each day.
After 3 days, Kelly walks a distance: D = 3 x 4/5 = 12/5 = 2.4 miles
Hope this helps!
:)
Answer:
Step-by-step explanation:
The natural logarithm of x is generally written as ln x, loge x, or sometimes, if the base e is implicit, simply log x.
Answer:
40% gain.
Step-by-step explanation:
Suppose he bought 100 fruit at a cost of $40.
He sold 1/2 ($20 ) for 20 * 1.6 = $32.
He sold 1/4 ($10) for 10*1.2 = $24.
Total revenue = $56 dollars so he made 56 - 40 = $16 profit.
percent gain = 16 * 100 / 40
= 40 %.
