6/ Một người đi bộ từ A với vận tốc 5,5 km/giơ và đến B lúc 11 giờ. Biết quãng đường AB dài 13,75km. Hỏi người đó đi từ A lúc mấy giờ, biết dọc đường có dừng lại mất 40 phút

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.

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Given: klmn is a parallelogram m? n=3m? k, lf ? kn , ld ? nm kf=2 cm, fn=4 cm find: lf, ld