The main advantage of the metric system and it's use is that it Does not require knowledge of math to use it. A person having non or low level of knowledge can use it.
Answer:
$30
Step-by-step explanation:
because
Know a are:
CW=75. SL= 250. Y= 2x
CW= X= number of wings
SL= Y= number of sliders
X+Y= Total number of items, which can be rewritten as X+2X= total
Plug in the calories for the total
2(75X) +250X= 800
150x+250X= 400X= 800
X= 800/400=2 pieces of Slider
Double the amount for Wings=2x2=4
4wings/2 Sliders
There are 22 books total on the shelf and 9 of them are biographical books so the probability is 9/22