Answer:
*step by step*
Step-by-step explanation:
If he erases one of the digits in a 4-digit number, then only 3 remain, not four.
If he erased the first digit, then it must have been 1-9, so the total is in the range 11 - 19
otherwise the digit could have been 0-9 in which case the total is in the range 10-19
Answer:
C = 40p
Cost for 15 people: 600 dollars
Step-by-step explanation:
The amusement park charges $40 per person.
That can be represented as 40 × <em>P</em> or 40<em>P</em>.
<em>C</em> is equal to the cost of admission for <em>P</em> people.
So, <em>C</em> = 40<em>P</em>
<em />
<em>C </em>= 40<em>P</em>
<em>C</em> = 40(15)
<em>C</em> = 600
The cost of admission for 15 people is 600 dollars.
Hope that helps.
There is an app called socratic, also if this assignment goes with a text book there is an app called sladder that has all textbook answers with work
Answer:
0
Step-by-step explanation:
She began with 20.
If she bought 7 more books and ended up with 17, that means she had ten beforehand. If she had half remaining, we simply double it, thus getting 20.