Let B = the weight of box B
Let 2B = the weight of box A
Let 2B + 30 = the weight of box C
B + 2B + 2B + 30 = 640
5B = 610
B = 122 pounds, weight of box B
2B = 2(122) = 244 pounds, weight of box A
2B + 30 = 2(122) + 30 = 274 pounds, weight of box C
hope this helps
Your answer will be 70x^2 -138x+56
Answer:
5/8
Step-by-step explanation:
1/4 = 2/8
2/8 + 3/8 = 5/8
Answer
16.65
Step-by-step explanation:
7%of 15 is 1.65 so add 1.65 and its 16.65
Answer:
so 7+7=14
then u add 2 to 14
which = 16
7+9=16
the u - the 2
and y get 14
that's how u can make sure ur answer is right