You can use Guess and Check and divide the 50 pounds into 2 parts. Multiply the price for both and do square root for the prices. Then at the 2 square roots and see if they add up to $6.40. If not, then divide the 50 pounds into something else, like 30 and 20 or something like that.
Answer:
x= -3
Step-by-step explanation:
Answer:
14.67
Step-by-step explanation:
area = 1/2bh therefor plug in the numbers and you get the anwser.