Arithmetics
111+889+54+76-78+50-22
1080
2/3 +3/4=?
17/12
Simplify the expression
2x+3y-3y2+7.6x=?
9.6x+3y-3y2
2x+7=0
Find -4x?
14
A bakery sells chocolate cakes for $15 each and vanilla cakes for $12 each. If the bakery sold 4 chocolate cakes and 7 vanilla cakes, what was the total revenue?
144
(34+56)2:27
300
6-17/12
55/12
4x2-9=(?-?)(?+?)
Use the formula
(2x-3)(2x+3)
8(x+3)-7(x+3)=9
What is the value of x+3?
9
A gym charges a one-time registration fee of $20 and $12 per month for membership. If someone paid a total of $80, for how many months did they have the membership?
5
Sara buys 3 notebooks for $2.45 each and 2 pens for $1.60 each. She gives the cashier a $20 bill.
How much change should she receive?
9.45
1.44/0.0012=?
1200
Open up the brackets
(3x-4a)2
9x2-24ax+16a2
3(2x-3)+4(2x-3)-2(2x-3)=15
What is the value of 4x-6?
6
A movie theater charges $8 for each adult ticket and $5 for each child ticket. If a family buys 2 adult tickets and 3 child tickets, calculate the average price of ticket per person.
6.2
18*36-16*36+24*27-25*24-21*5
15
(0.72+3/4)*0.2
0.294
(2x+3)(x-7)
The given expression is equivalent to the following expression: ax2+bx+c
Find a+2b-c
1
4.8(x-2)+3.2(x+5)=16
Find x?
1.2 or 6/5
A school is organizing a field trip. The cost per student is $18, and the cost per teacher is $25. If there are twice as many students as teachers and the total cost is $183, how many students and how many teachers are going on the trip?
3 teachers and 6 students
27048*27044-27047*27043
54091
(1+4/7):(40+1/3)
3/77
64x3-27=()()
(4x-3)(16x2+12x+9)
A theater sold 3 times as many adult tickets as child tickets for a show. Each adult ticket costs $12, and each child ticket costs $7. If the total revenue from ticket sales was $473, how many child tickets were sold?
11
A number is 4 less than four times the another number. If their sum is 36, what are the numbers?
28 and 8