They subtracted 1/3 from both sides instead of dividing 1/3 from both sides
3. The original price of the trampoline is $72
The marked off price is 72 times 70 percent.
72 x .70 = 50.4
The sales tax is 5%
50.4 + 50.4 x 0.05
50.4 + 2.52
52.92
He paid $52.92 in total.
4. A store bought a leaf blower for $48.50 and marked it up 100%
This cost would be 48.5 x 2 which is $97
The sales tax is 6%
97 + 97 x 0.06
97 + 5.82
102.82
The total cost was $102.82
Answer:
d = 19/5 or, 4.75 in decimal form
Step-by-step explanation:
For scientific notation, you always want 1 digits in front of the decimal.
Ex) 7.39*10^5
Move the decimal point in between the 1 and 4, or 1 place to the left.
1.435
Since the decimal point was moved 1 place to the left, the exponent after 10 will be 1.
1.435*10^1
1.435*10^1 is your final answer.
1.435*10 is the same thing also.
