Answer:
1. If thrice s number is increased by 11, the result is 35. What is the number?
[tex]3n + 11 = 35[/tex]
3n +11=35
3n =35-11
3n= 24
3n/3=24/3
n=8
2. If trice a number is decreased by 13, the result is 9. What is the number?
[tex]3n - 13 = 9[/tex]
3n-13=9
3n=9+13
3n=22
3n/3=22/3
n=22/3
3. Seven less than twice a number is 15. What is the number?
[tex]7 - 2n = 15[/tex]
7-2n=15
-2n=15-7
-2n=8
-2n/-2=8/-2
n=-4
4. Karen saved 200.00 this week from her allowance. If this amount is Ⓡ 50.00 more than
twice the amount, she saved last week, how much did she save last week?
[tex]50 + 2n = 200[/tex]
2n=200-50
2n=150
2n/2=150/2
n=75 pesos
5. A family of three adults and three children visited the circus. They went to the ticket booth
to purchase tickets for all the rides and games. The total cost of the family's ticket is
1,560.00. If an adult ticket costs $280.00, how much is the ticket cost for each child?
[tex]280 \times 3 = 840 \: adults[/tex]
[tex]1560 - 840 = 720 \: kids[/tex]
[tex]720 \div 3 = 240 \: for \: each \: kid[/tex]
Step-by-step explanation:
hope it helps have a nice day and stay safe always❤️
