faceofgrace6 faceofgrace6

15-11-2019
Mathematics

contestada

A herd of dinosaurs made paintings in the sand with their claws.
Each baby dinosaur made 15 paintings and each adult dinosaur made 7 paintings. The entire herd made 208 paintings in total, and there were 3 times as many baby dinosaurs as adult dinosaurs.
How many baby dinosaurs and adult dinosaurs were there?

Respuesta :

drharsharankaur drharsharankaur

15-11-2019

Answer:

Step-by-step explanation:

Baby dinosaurs-12

Adult dinosaurs-4

15b+7a=208 where b- baby , a is adult

b=3a

Putting the values

15.3a+7.a= 208

45a+7a =208

52a=208

a=4

b=3a= 12

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