datgamer13
04.05.2021 •
Mathematics
Ms. Hernandez has $100 to spend on parking and admission to the zoo. The parking will cost $7.00, and admission tickets will cost $15.50 per person, including tax. Write an equation that can be used to determine the number of people that she can bring to the zoo, including herself.
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Ответ:
100_7=9393/15.5=6
Step-by-step explanation:
6 persons include her
Ответ:
$100 = (15.50x) + 7.00
Step-by-step explanation:
100-7 -= 93
93/15.5 = 6
x=6 (people including herself)
Ответ:
Mrs. grub bought total number of shirts = 1
Mrs. grub bought total number of hats = 8
Step-by-step explanation:
Let Mrs. grub bought total number of shirts = x
Let Mrs. grub bought total number of hats = y
As given,
Price of 1 shirt = $4
Price of 1 hat = $12
⇒ Price of x shirts = $ 4x
Price of y hats = $ 12y
Given that,
Mrs. Grubb bought total piece of clothes = 9
⇒ x + y = 9 .......(1)
Also given,
She bought all clothing for $100
⇒ 4x + 12 y = 100 ........(2)
Divide equation (2) by 4 we get
x + 3y = 25 .......(3)
Now,
Subtract equation (1) from equation (3) , we get
x + 3y - ( x + y ) = 25 - 9
⇒ x + 3y - x - y = 16
⇒2y = 16
⇒y = = 8
⇒ y = 8
Put value of y in equation (3), we get
x + 3(8) = 25
⇒x + 24 = 25
⇒x = 25 - 24 = 1
⇒x = 1
∴ we get
Mrs. grub bought total number of shirts = x = 1
Mrs. grub bought total number of hats = y = 8