<span>2100 bacteria will become 4200 in 10 days, 4200 will become 8400 after 20 days, 8400 will become 16800 after 30 days, 16800 will become 33600. for the final 5 days you will add half of the double period. so half of 33600 is 16800. Now add those together. The answer is 50,400 bacteria after 45 days.</span>
Answer:
6
Step-by-step explanation:
66
14.4%
L*W*H=V=10*9*4.5=405 in^3.
that is 50.5 in^3 over the estimate, or 14.4%
Answer:
$205
Step-by-step explanation:
The cost of bike Sarah bought = $260
Discount coupon = $55
The cost Sarah paid for the bike =$260 - $55
Use the expression 260 + (- 55) to find how much Sarah paid for her bike:
So, Sarah paid $205 for the bike.