You divide 690 by 100 which is 6.9
Therefore, one 50cent coin is 6.9g
With cross multiplication you can find that they are the same. In both equations, x would be 100.
Answer:
Kelly did more math problems.
Step-by-step explanation:
Andrew - 22/13= 1.69
Kelly - 24/12= 2
Answer:
132cm^2
Step-by-step explanation:
SA of square based pyramid:
SA = 2bs + b^2
b = base
s = slant height
-> 2(6)(8) + 6^2
-> 96 + 36
= 132cm^2