3x - 18 + 105 = 180
3x + 87 = 180
3x = 180 - 87
3x = 93
x = 93/3
x = 31 <==
Answer:
1/64
Step-by-step explanation:
If the denominators are the same an the top number is 1 then you can just multiply them.
Answer:
D
Step-by-step explanation:
Answer:
just remember where the 0 on the line plot is and go backwards and count 5 and go forwards and do the same thing
For every 3 girls, there are 4 boys. if there are nine girls, that expands to three extra boys, because for every three theres an extra one. so there are 12 boys (9+3.) the final ratio, boys to girls, is 12:9.