The equation is
R=100(1/2)^(d/5)
After one day the remaining is
R=100×(1÷2)^(1÷5)
R=87.06 remaining
It decreased by 12.94 (100−87.06)
So the daily percent of decreases is 12.94%
Answer:
D) In step 5, he should have multiplied both sides by 1/3
Step-by-step explanation:
Given expression,
Using distributive property,
Using additive property of equality,
Make the fraction with same denominator by taking LCM of Denominators in left side the equation,
Adding fractions,
Write 3 as a fraction,
Using multiplicative property of equality for isolating the variable in right side, multiply 1/3 in both sides,
Hence, it is clear that he did mistake in step 5 he should have multiplied both sides by 1/3.
Answer:
D
Step-by-step explanation:
D. A sparrow has made a nest in the fern on the porch.