Im so sorry I just don't know how to do this and school ends soon so im struggling.

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Anature center offer 2 guided walks. the morning walk is 2/3 miles. the evening walk is 3/6 mile. which is shorter

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.