How is the relationship between the length and area of the rectangle different from other kinds of relationships we've seen before ?

Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

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