<span>3x+2y+4+9y=
Combine like terms:
2y+9y=11y
I believe the answer is 3x+11y+4
(That is unless you know the numbers that y & x equals)</span>
Answer:
She'll spend 192 because 2400 divided by 48 equals 50 times that by 3.84 which will give you 192.
17. Area of triangle: 1/2bh
1/2 * 12 * 15
1/2 * 180
=90 cm^2
18. Area of trapezoid: 1/2 h (b1 + b2)
1/2 * 8 ( 12 + 15.4)
4 * 27.4
= 109.6 cm^2
Solve for x by cross multiplying
Exact form: x= 191/7
Decimal form :x=27.28571428
Mixed number form:x=27 2/7