Answer:
Step-by-step explanation:
Let b represent the amount Betty has. Then Ann has 2b+9 and together, they have ...
b + (2b+9) = 60
3b = 51 . . . . . . . . . subtract 9
b = 17 . . . . . . . . . . divide by 3
Betty has $17 and Ann has the other $43 of the total of $60.
The maximum percentage is 17%
The minimum percentage would be 12%
For number 7.
Supplementary angles sum to 180.
2x+4x=180
6x=180
x=30
The two angles are 2x and 4x or 60 and 120
Answer: 5
Step-by-step explanation:
see the picture.
Answer:
0.306 fl oz.
Step-by-step explanation:
9 mL * (0.034 fl oz / 1 mL) = 0.306 fl oz [the millilitres canceled out].
Hope this helps!