calvin has 90 stamps. for every mexican stamp, calvin has 8 U.S. stamps. How many mexican stamps does Calvin have?
1/9 = x/90
Cross multiply and solve for x.
Well, let's do the math! If Calvin has 90 stamps in total, and for every Mexican stamp he has 8 U.S. stamps, we can assume that the Mexican stamps make up part of those 90 stamps. So, let's say Calvin has "x" Mexican stamps. That means he has 8 times that many U.S. stamps. So, the number of U.S. stamps Calvin has would be 8 times "x". Adding both the Mexican and U.S. stamps together, we get: x + 8x = 90. Combining like terms, we get 9x = 90. Dividing both sides by 9, we find x = 10. So, Calvin has 10 Mexican stamps. Now, for a joke: Why don't stamps tell jokes? They're afraid they might get stuck in a joke loop!
Let's set up an equation to solve this problem step-by-step:
Let's say the number of Mexican stamps that Calvin has is M.
The number of U.S. stamps that Calvin has is 8 times the number of Mexican stamps, so it will be 8M.
Given that Calvin has a total of 90 stamps, we can write the equation:
M + 8M = 90
Combining like terms, we get:
9M = 90
To isolate M, we divide both sides of the equation by 9:
9M/9 = 90/9
M = 10
Therefore, Calvin has 10 Mexican stamps.
To find out how many Mexican stamps Calvin has, we need to first determine the ratio between the number of Mexican stamps and the number of U.S. stamps he has.
Since Calvin has 8 U.S. stamps for every Mexican stamp, the ratio of Mexican stamps to U.S. stamps is 1:8.
Next, we can set up a proportion using the given information. Let's represent the number of Mexican stamps as 'x'. The proportion looks like this:
Mexican stamps / U.S. stamps = x / 90
Since the ratio of Mexican stamps to U.S. stamps is 1:8, we can substitute the values into the proportion:
1/8 = x/90
To solve for 'x', we can cross-multiply:
1 * 90 = 8 * x
90 = 8x
Dividing both sides of the equation by 8, we find:
x = 11.25
Since the number of stamps cannot be fractional, we conclude that Calvin has 11 Mexican stamps.