Step-by-step explanation:
(X+3)(2x_9)
3x+12_12=90_12
3x=90_12
3x=78
X=26°
Total people x,
then, 3.5x + 5.5x + 6 = 51
simplify, 9x +6 = 51
subtract 6 on both sides, 9x= 45
divide by 9 on both sides, x= 5
therefore, total 5 people in the family.
He would need 2.8 bouquet's to make 20 dollars because i had to round
i hope this helped
Y=X2+28 PEMDAS says first do parentheses
exponent
multiply
divide
add
subtract