Answer:
a
Step-by-step explanation:
As approximation:
4 units * 4 units= 16 squared units
Answer:
Let pens be x and y be pencils
Let's solve now
7x+2y=22 equation 1
3x+4y=11 equation 2
let's make y the subject of the formular in equatio 1
y=(22-7x)/2
substituting y into the second equation yield
3x+4(22/2-7x/2)=11
Now find x.
Answer:1.5×10^5
Step-by-step explanation: