4x-2(40-x)= 1 12
2x+80= 1 12
2x= 1 12-80
x= 16
40- 16=24 (only)
Answer: 16 turtle, 24 cranes.
2. I rented x big boats, so I rented (8-x) small boats for so long.
8x-6(8-x)=38
2x+48=38
2x= 10
x=5
8-5=3 (bar)
I rented five big boats and three small boats.
3. If there are X boys, Momo will have (12-x) girls.
3x-2( 12-x)=32
x+24=32
x=8
12-8=4 (pieces)
A: Eight boys and four girls.