Answer:
6.40
Step-by-step explanation:
8 decreased by 20% is 6.40
Answer:
ecall that 6 + 6 + 6 = 6 × 3
Instead of adding 6 three times, you can multiply 6 by 3 and get 18, the same answer.
Similarl
2 + 2 + 2 + 2 = 2 × 4
Answer:
The percentage decrease in the depth is 45%
Step-by-step explanation:
January, lake depth = 1086 feet
august, lake depth = 597.3 feet
The decrease in depth = 1086 - 597.3
= 488.7 feet
Percentage decrease = decrease over January lake depth multiply by 100%
% decrease = (488.7/1086)*100%
=0.45*100%
= 45%
X | Y
-2 | 9
-1 | 6
0 | 3
1 | 0
2 | -3