4. Lin's family buys 2 adult tickets and 2 child tickets for $26. Mike's family buys
2 adult tickets and 3 child tickets for $31.
Which system represents the situation?
(2x + 2y = 26
А
2x + 3y = 31
S2x +2y = 31
B
2x + 3y = 26
2x + 31= 2y
с
2x + 26 = 3y

1 and 2

step-by-step explanation:

answer: 10 turtles

step-by-step explanation: as turtles have four legs so 4.10=40 therefore birds are 4 which sue counted

45.36 feet per second

step-by-step explanation:

tyrone travels 30 miles in 58.2 minutes.  

1 mile = 5280 feet; this means he travels

30(5280) = 158400 feet in 58.2 minutes.

1 minute = 60 seconds; this means he travels 158400 feet in

58.2(60) = 3492 seconds.

this gives us the unit rate of

158400/3492 = 45.36 feet per second.