Answer:
what's the formula that you're supposed to apply the x to ?
X+y=31 So, x=31-y
x+3y=85
31-y+3y=85
31+2y=85
2y=54
y=27
x+3×27=85
x+81=85
x=4
7RP: 1.3 sugar for one ounce. I came up with this by dividing 14 into 10 1/2
7NS: I'm just going to say -1/8. but I don't know for absolute sure, sorry
7EE: $65+$.80x=$125
7G: m<Q=150
7SP: There's a 50% chance that they will all land on heads.
Well, since we know (or should know) that cubic feet is found by LxWxH. We take 6510/ 10.5=620 then take the 620/ 40= 15.5. Thus your width is equal to 15.5ft