Let x = the number of hours Eva needs to complete the job
and y = the number of hours Emily needs to complete the job
x = 6
1/x + 1/y = 1/4
(The amount of work Eva does in 1 hr + the amount of work Emily does in 1 hr should equal 1/4 of the total work)
1/6 + 1/y = 1/4
1/y = 1/12
y = 12 hours
Emily would take 12 hours to do it by herself.
Answer:
d = 18
Step-by-step explanation:
a = 3;
therefore
d = 4a + 6
d = 4(3)+ 6
d = 12 + 6
d = 18
Answer:
$5.78
Step-by-step explanation:
Answer:
Any line with slope 1/4 like y=1/4x -5.
Step-by-step explanation:
Parallel lines never cross and therefore have the same exact slope. Since slope intercept form is y=mx+b and m is slope, then y=1/4x+2 has a slope of 1/4. Any line with a slope of 1/4 will be parallel. Example: y=1/4x - 5
Answer:the number of adult tickets that the movie theatre sold is 63.
the number of child's tickets that the movie theatre sold is 61
Step-by-step explanation:
Let x represent the number of adult tickets that the movie theatre sold.
Let y represent the number of child's tickets that the movie theatre sold.
The total number of tickets sold is 124. It means that
x + y = 124
Movie theater charges $11.00 for an adult ticket and $8.00 for a child's ticket. The total cost of the tickets sold is 1181. It means that
11x + 8y = 1181 - - - - - - - - - - - -1
Substituting x = 124 - y into equation 1, it becomes
11(124 - y) + 8y = 1181
1364 - 11y + 8y = 1181
- 11y + 8y = 1181 - 1364
- 3y = - 183
y = - 183/ - 3
y = 61
x = 124 - y = 124 - 61
x = 63
