Answer:
11) 14 and 11
Step-by-step explanation:
i can't help in number 12 , sorry !
Can you please explain some more detail or post a pic ?
Answer:
y=1x
Step-by-step explanation:
Answer:
Both plans last for 1.25 hours (1 hour 15 minutes)
Step-by-step explanation:
Let x hours be the time needed for plan A and y hours be the time needed for plan B.
On Wednesday there were 5 clients who did Plan A and 3 who did Plan B. Thus, 5x+3y=10.
On Thursday there were 2 clients who did Plan A and 6 who did Plan B. Thus, 2x+6y=10.
Solve the sytem of two equation. Multiply the first equation by 2, the second by 5 and subtract them:

Therefore,
