Answer:
each hamburger costs $3.50
Step-by-step explanation:
he spent $13 in total and bought one hot dog for $2.50 and 3 hamburgers but we don't know the price of one hamburger so we could represent it by the equaton,
2.50 + 3h = 13 now solve for x
-2.50 2.50
3h = 10.50
h=3.50
check:
2.50+3(3.50)=13
2.50+10.50=13
13=13
X=-33 y= 10
Leave first row the same multiply 2nd row by -1
-2x+8y=14
2x+2y=26
10y= 40
Y=4
-2x+8(10)=14
-2x+80=14
Answer:
identity property
Step-by-step explanation:
the identity proper is where any number times 1 is equal to itself
Answer: B
Step-by-step explanation:
Answer:
30%
Step-by-step explanation:
The local zoo contained 40 exhibits in total. It contained 12 reptile exhibits.
The percentage of the zoo's exhibits that feature reptiles is gotten by dividing the number of reptile exhibits by the total exhibits and then, multiplying by 100:
=> (12 / 40) * 100
= (3 / 10) * 100 = 300 / 10
= 30%
30% of the zoo's exhibits feature reptiles.
