Daca elevii unei clase ar fi asezati cate 2 in banca, ar mai fi necesare 3 banci, iar daca ar fi asezati cate 3 in banca, ar ramane 2 banci libere. cati elevi si cate banci sunt? pls

70

step-by-step explanation:

2*5=10

4*15=60

60+10=

70

the answer is c just got it on ed

step-by-step explanation:

-22

times both sides by 2, times () by 8, add alile terms, move terms, add alike and caculate divide both sides by 3

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value