vclark130 vclark130

09-06-2021
Mathematics

contestada

The ratio of seventh graders to eighth graders at junior high school is 9:10. If there is 90 eighth graders, how many seventh graders would be there?

Respuesta :

adashander adashander

10-06-2021

Answer:

81

Step-by-step explanation:

To find the base unit of the ration, divide 90 by 10, which is 9. Then multiply 9 (the base unit) by 9 (the ratio of the seventh graders) and that equals 81

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