120 students have maths or science next lesson.
there are 12 more boys than girls altogether.<...
Mathematics, 22.10.2019 22:30 zahid79
120 students have maths or science next lesson.
there are 12 more boys than girls altogether.
the ratio maths : science = 2: 3
half as many girls have maths as have science.
Answers: 1
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Hormones perform important functions within the reproductive system. during puberty, a number of changes occur in the body. which hormone is responsible for the development of these characteristics in the female? estrogen progestin progesterone testosterone
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