Don’t mind the equation above the plot. Hope this helps:)
There are 108 degrees in each interior angle of a regular pentagon .
I hope that's help !
d or c________________________
Step-by-step explanation:
vvv.
<span>Equation:
silver + silver = silver
0.45x + 0.60(40-x) = 0.48*40
----------------
45x + 60*40 - 60x = 48*40
--------
-15x = -12*40
x = (4/5)40
x = 32 lbs (amt of 45% slloy needed)
40-x = 8 lbs (amt of 60% alloy needed)</span>
