rubydai03
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Please help me. I'll respect you forever! ( I'll give brainliest at the best)


a) In a game, one gains 5 points for every won round and loses 3 points otherwise. After 20 rounds, Mike had 68 points. How many round did he win?

b) Baby dragons have one head and two wings, adult dragons have 3 heads and four wings. In one dragon family, there are 25 heads and 36 wings. How many dragons are there in this family?

Respuesta :

There are 4 babies and 7 adults 

B head=4x1=4   A heads=(3x7)=21     21+4=25 heads

B wings is 4x2=8  A  is wings(4x7)=28       28+8=36 wings

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