Well the first thing you need to do is set up a proportion.
8 girls 56 girls
-------- = -----------
7 boys x
Now what we have to do is find out what we multiplied by 8 to get 56.
Simply divide.
56 ÷ 8 = 7
So, we figured out that the magic number is 7!
So we multiply the boy number by 7
7 x 7 = 49
So this means that there are 49 boys on the field trip.
Answer:
-x
Step-by-step explanation:
12x-13x is -1x which can also be written as -x
Answer:
{y | y = -9, -3, 0, 5, 7}
Step-by-step explanation:
i think thats the anwer
Answer:
109 students need to attend
Step-by-step explanation:
156 + 280 = 436
436 ÷ 4 = 109
Answer:
Step-by-step explanation:
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