Answer:
422.39
Step-by-step explanation:
use a calculator for the above and round
Apples = X
Pears = Y
3x+2y = 0.60
pears cost 2X-0.05 replace Y with this:
3X +2(2x-0.05) = 0.60
Simplify:
3X + 4X-0.10 = 0.60
Simplify:
7X -0.10 = 0.60
Add 0.70 to each side:
7X = 0.70
Divide both sides by 7:
X = 0.70 / 7
X = 0.10
Apples cost 0.10 each.
Pears cost 2x-0.05 = 2(0.10) - 0.05 = 0.20 - 0.05 = 0.15 each
Answer:
a) 14:56
simplest form:- 14:56
=>2:8
=>1:4
b)Total necklaces that are sold each month:-240
No. of necklaces that were sold via the shop's website:-180
No. of necklaces that were sold in a high street shop:-(240-180)=>60.
Ratio:- 180:60
simplest ratio:- 3:1.
Answer:The percent change in volume between cylinders A and B is 50%.
Step-by-step explanation: