Question

Hannah and Heather are sisters. Hannah's age is four less than twice the Heather's age. The sum of their ages is 31. Which system of equations can be used to determine the Hannah's age, x, and Heather's age, y?


A. x + y = 31
x = 2y - 4


B. x + y = 31
x - 2y = 4


C. x + y = 4
y = 31 - 2x


D. x + 31 = y
x = 2 - 4y

Answer 1

a

Answer 2

oi thank you

Answer 3

welcome

Answer 4

im posting more so heads up for the points!

Answer 5

k

Answer 6

Mrs. Stevenson needs at least 50 cans of soda for a party. She has 6 cans of soda at her house.

Which of the following inequalities can be used to find p, the number of 12-pack cans of soda Mrs. Stevenson needs to buy?


A. 12 + 6p < 50

B. 12 + 6p > 50

C. 12p + 6 > 50

D. 12p + 6 < 50
ALL SIGNS ARE GREATER EQUAL TO OR LESS EQUAL TO