3 multiples of 10 that have 3 in them are 30, 300, and 3000
192 in2
The formula for surface area is 2(lw + wh + hl) = 2(2*8 + 12*8 + 12*2) = 2(16+56+24) = 2(96) = 192
Answer:
Amount used by the end of the second week= $500-$375
=$125
Amount used by the end of the seventh week= $375-$100
=$275
Total amount spent= $275+$125
=$400
Rate of change= $ 500- $400
=$ 100
Step-by-step explanation: Hope this helps