Answer:
The number is = 16
Step-by-step explanation:
Given:
Twice the sum of a number and 2 is equal to three times the difference of the number and 4.
To find the number.
Solution:
Let the number be =
The equation can be now written as:
Solving for
Using distribution:
Adding 12 both sides.
subtracting from both sides.
∴
Thus, the number is = 16
Answer:
66.00
Step-by-step explanation:
Convert 10% to a decimal by moving the point from 10. to 0.10 (back two places) and multiply it by 50 which gives you $5, which equals the tax they payed. Now they want to tip 20% of the entire bill including tax, so convert 20% to a decimal 20. to 0.20. Now multiply .20 * 55(55 is the $50 payed in meals and the $5 payed in taxes added) And you get $11 for the tip. Add 55 +11 and there's your answer
Answer:
Distance, rate and time problems are a standard application of linear equations. When solving these problems, use the relationship rate (speed or velocity) times time equals distance. For example, suppose a person were to travel 30 km/h for 4 h.
1.75r +5=40
I dont know why i did this i need to be doing my work
Similar is when two figures are the same exact shape (with the same proportions), but they are different sizes and sometimes different orientation.