Answer:
The number sold at $12.50 is 25
The number sold at $9.50 is 62
Step-by-step explanation:
Hi, to answer this question we have to write a system of equations:
x 12.50 + y 9.50=901.50
x+y= 87
Where
x= number of pottery pieces sold
y= number of pottery pieces sold at a decreased price
Multiplying the second equation by 9.50, and subtracting the second equation to the first equation:
12.50 x + 9.50y = 901.50
-
9.50 x+ 9.50 y= 826.5
__________________
3 x = 75
Solving for x
x =75/3
x = 25
Replacing x=25 on any equation:
x+y= 87
25+y =87
y=87-25
y= 62
Answer:
y-3x
Step-by-step explanation:
Because it is subtracted from y that meas the y would be first and 3 times x would be 3x because you do not need a sign because it is a variable
Answer:
3x^2-2x-6 (APEX)
Step-by-step explanation:
you're welcome
Answer:
Amy had to pay in total 94.20$ for the meals with delivery
Step-by-step explanation:
6 total meals
6 x 13.95$ = 83.70$ The money payed for the food without the delivery
83.70 + 10.50 = 94.20$ Meals + delivery
Answer: 41,250$ (I think)
Step-by-step explanation:
1 hour —> 825$
40 hours —> 825$ x 40 = 33,000$
The after the 40 hours he gets paid x2 and he works for 5 hours
1 hour —> 825$ x 2 = 1,650$
5 hours —> 1650$ x 5 = 8,250$
33,000 + 8,250 = 41,250$
