maria241432
20.06.2020 •
Mathematics
Kristen and marina are making prism out of cardboard using the design below. Whose design uses more cardboard, and by how many square inches? Show how you determined your answer
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Ответ:
5 more boys in class than girls
Step-by-step explanation:
Total number in a class is 35
Ratio of boys to girls is 4:3
Boys =4
Girls =3
Add the two together to give 7
Boys = 4/7×35
Boys =4×5
=20boys
Girls= 3/7×35
Girls =3×5
=15girls
So we have 20boys and 15girls
To know how many more boys than girls
Deduct the number of boys to girls
To give
20-15=5
There are 5more boys in class than girls