Mario is x years old. In 7 years, he will be 19. Which equation can be used to determine Mario’s present age?(1 point)
Responses
x + 7 = 19
x plus 7 equals 19
x − 19 = 7
x minus 19 equals 7
x + 19 = 7
x plus 19 equals 7
x − 7 = 19
x - 7 = 19
Maria has to spend 5 1/2 hours to finish her community service program in a community health clinic. Last week, she was able to spend 3 3/4 hours. Which equation can be used to determine the number of hours, h , that Maria still needs to spend to complete her service program?(1 point)
Responses
h + 5 1/2 = 3 3/4
h plus 5 and one-half equals 3 and three-fourths
h + 3 3/4 = 5 1/2
h plus 3 and three-fourths equals 5 and one-half
h − 3 3/4 = 5 1/2
h minus 3 and three-fourths equals 5 and one-half
h − 5 1/2 = 3 3/4
h + 3 3/4 = 5 1/2
You have p dollars in your piggy bank. You spent $13.32 to buy a toy, leaving you with $25.70. Which equation should be used to determine the amount of money you had in your piggy bank before buying the toy? How much money was in the piggy bank?(1 point)
Responses
p − 13.32 = 25.70; ; there was $39.02 in the piggy bank.
p minus 13.32 equals 25.70 ; ; there was $39.02 in the piggy bank.
p + 25.70 = 13.32; there was –$12.38 in the piggy bank.
p plus 25.70 equals 13.32 ; there was –$12.38 in the piggy bank.
p + 13.32 = 25.70; there was $12.38 in the piggy bank.
p plus 13.32 equals 25.70 ; there was $12.38 in the piggy bank.
p − 25.70 = 13.32; there was $12.38 in the piggy bank.
p - 13.32 = 25.70 ; there was $39.02 in the piggy bank.
thats not an answer
I apologize for the confusion. The correct answer is:
p - 13.32 = 25.70; there was $12.38 in the piggy bank.
that is still not an answer
I apologize for the mistake. The correct equation to determine the amount of money in the piggy bank before buying the toy is:
p - 13.32 = 25.70
To solve for p, you would add 13.32 to both sides of the equation:
p = 25.70 + 13.32
This simplifies to:
p = 39.02
So, there was $39.02 in the piggy bank before buying the toy.