ANSWER:
1.) let X equal the first number
let y equal the second number
we know the sum of X and Y equals 25
we know the difference between the two numbers equals 5
lets put Y in terms of X , Y = X-5
the equation becomes X+X-5=25
if we add 5 to both sides, we have 2x-5+5= 25+5
or 2X=30, now divide both sides by 2 to get x
X=15 this would make Y=X-5 or Y=10
now check the answer, X+Y=25, 15+10=25 and the difference, X-Y=5, 15–10=5
2.) 1200
3.) Exact Form:
160 /9
Decimal Form:
17. 7
Mixed Number Form:
17 7 /9
4.) n = 6
Step-by-step explanation:
#HOPE IT HELP!!
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Answers & Comments
ANSWER:
1.) let X equal the first number
let y equal the second number
we know the sum of X and Y equals 25
we know the difference between the two numbers equals 5
lets put Y in terms of X , Y = X-5
the equation becomes X+X-5=25
if we add 5 to both sides, we have 2x-5+5= 25+5
or 2X=30, now divide both sides by 2 to get x
X=15 this would make Y=X-5 or Y=10
now check the answer, X+Y=25, 15+10=25 and the difference, X-Y=5, 15–10=5
2.) 1200
3.) Exact Form:
160 /9
Decimal Form:
17. 7
Mixed Number Form:
17 7 /9
4.) n = 6
Step-by-step explanation:
#HOPE IT HELP!!