First divide the total by the amount bought.
$8.15/5 = $1.63
take the price per can and add $0.35 to add back on the usual price of tuna.
$1.98
Answer:
problems
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The assistants worked too slowly.
solutions
Rachel decided to work alone.
Rachel wrote a book called Silent Spring to make people aware of environmental problems.
Step-by-step explanation:
"Bucket method"
.. (4)*(14%) + (x)*(8%) = (4 +x)*(10%) . . . . . liters and % are in each "bucket"
.. 56 +8x = 40 +10x . . . . . multiply by 100, eliminate parentheses
.. 16 = 2x . . . . . . . . . . . . . . add -40-8x, then divide by 2
.. 8 = x
8 liters of 8% lemonade should be added to make the mixture 10% lemon juice.
Answer:
Step-by-step explanation:
We would apply the formula for determining compound interest which is expressed as
A = P(1 + r/n)^nt
Where
A = total amount in the account at the end of t years
r represents the interest rate.
n represents the periodic interval at which it was compounded.
P represents the principal or initial amount deposited
a) From the information given,
P = $1000
r = 4% = 4/100 = 0.04
n = 1 because it was compounded once in a year.
t = 4 years
Therefore,
A = 1000(1 + 0.04/1)^1 × 4
A = 1000(1.04)^4
A = $1170
b) After 18 years, t = 18, therefore
A = 1000(1.04)^18
A = $2026
c) When A = $1500, then
1500 = 1000(1.04)^t
1500/1000 = (1.04)^t
1.5 = (1.04)^t
Taking log of both sides, it becomes
Log 1.5 = tlog(1.04)
0.176 = 0.017t
t = 0.176/0.017
t = 10.35 years
d) When A = $2000, then
2000 = 1000(1.04)^t
2000/1000 = (1.04)^t
2 = (1.04)^t
Taking log of both sides, it becomes
Log 2 = tlog(1.04)
0.301 = 0.017t
t = 0.301/0.017
t = 17.7 years
It would be 1,200 because you just have to multiply 400 times 3 hope it helped :)