Don sets up the equation 67+p=200 to solve a problem. What should Don’s next step be to solve the equation?(1 point)
Don should subtract
from both sides of the equation.
Don should subtract 67 from both sides of the equation.
The zoo has 4 more monkeys than deer. If the zoo has 13 monkeys, how many deer does the zoo have? Write and solve an equation to find the answer, using d to represent the number of deer.(1 point)
The zoo has ?
deer.
The zoo has 9 deer.
To solve the problem, we can set up the equation d + 4 = 13, where d represents the number of deer.
To find the answer, we start by subtracting 4 from both sides of the equation: d + 4 - 4 = 13 - 4
This simplifies to: d = 9
Therefore, the zoo has 9 deer.
The population of New York City is about 18.8 million people. This is about 9.9 million more people than the population of Chicago. Write and solve an equation to find the approximate population of Chicago.(1 point)
Responses
9.1 million
9.1 million
28.7 million
28.7 million
9.9 million
9.9 million
8.9 million
8.9 million
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The approximate population of Chicago is 8.9 million people.
To solve for the population of Chicago, we set up the equation x + 9.9 million = 18.8 million, where x represents the population of Chicago.
To find the population of Chicago, we subtract 9.9 million from both sides of the equation: x + 9.9 million - 9.9 million = 18.8 million - 9.9 million.
This simplifies to: x = 8.9 million.
Therefore, the approximate population of Chicago is 8.9 million people.
What equation represents the following real-world problem? Cheyenne climbs 468 feet up a mountain. This is 129 feet more than her brother climbs. How high did Cheyenne’s brother climb up the mountain?(1 point)
Responses
x+468=129
x plus 468 equals 129
x−129=468
x minus 129 equals 468
x−468=129
x minus 468 equals 129
x+129=468
x plus 129 equals 468
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The equation that represents the given problem is x - 129 = 468.
In this equation, x represents the height that Cheyenne's brother climbed up the mountain. Since Cheyenne climbed 468 feet, and this is 129 feet more than her brother climbed, we subtract 129 from x to find the height of Cheyenne's brother.
Therefore, the correct equation is x - 129 = 468.
Highway 199 is 85.3 miles long. That is 7.2 miles longer than Route 32. What is the length of Route 32? Write and solve an equation to find the answer, using r as a variable to stand for the length of Route 32.(1 point)
Responses
78.5 miles
78.5 miles
78.1 miles
78.1 miles
13.3 miles
13.3 miles
92.5 miles
92.5 miles
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The length of Route 32 is 78.1 miles.
To solve for the length of Route 32, we set up the equation r + 7.2 = 85.3, where r represents the length of Route 32.
To find the length of Route 32, we subtract 7.2 from both sides of the equation: r + 7.2 - 7.2 = 85.3 - 7.2.
This simplifies to: r = 78.1.
Therefore, the length of Route 32 is 78.1 miles.
DeShaun solves the following problem: “Martyn is 7 years older than Adele. If Martyn is 52 years old, how old is Adele?” DeShaun begins by writing the equation a+7=52 , using a as a variable to stand for Adele’s age. What is DeShaun’s next step?(1 point)
Responses
He subtracts 7 from just the left side of the equation.
He subtracts 7 from just the left side of the equation.
He adds 7 to both sides of the equation.
He adds 7 to both sides of the equation.
He subtracts 7 from both sides of the equation.
He subtracts 7 from both sides of the equation.
He divides both sides of the equation by 7.
He divides both sides of the equation by 7.
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