Answer:
640 and 400
Step-by-step explanation:
Cost of books: x and 1040 -x
x sold at a loss of 15%= 0.85 x
1040 -x sold at a profit of 36% = (1040 - x)*1.36
- x*0.85= (1040-x)*1.36
- 0.85x+1.36x= 1040*1.36
- 2.21x= 1414.4
- x= 1414.4/2.21
- x= Rs. 640
- Rs. 1040 - x= R. 400
Answer:
$2247
Step-by-step explanation:
2100+(2100*7/100)= 2100+147=2247
Answer:
Step-by-step explanation:
(-5, 7) ⇒ x₁ = -5, y₁ = 7
(10, 1) ⇒ x₂ = 10, y₂ = 1
So the slope:
Answer:
Step-by-step explanation:
x² + 2x = x(x + 2)
LCM = x(x+2)