Answer:
C
Step-by-step explanation:
It is stating that it is 15 less(-15) than the Product of 3 and some number(3n)
Answer:
C (-6,-1)
Step-by-step explanation:
if you multiply the x coordinate by -1 it equals -6
9514 1404 393
Answer:
Step-by-step explanation:
Let x represent the amount invested at 8%. Then the total interest earned is ...
0.06(7000 -x) +0.08x = 480
420 +0.02x = 480 . . . . . . . . . eliminate parentheses
0.02x = 60 . . . . . . . . . . subtract 420
x = 60/0.02 = 3000 . . . . . divide by the coefficient of x
$3000 was invested at 8%; $4000 was invested at 6%.