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. How many baby dinosaurs and adult dinosaurs were there?

let x = baby dinosaurs
y = adult dinosaurs
equation 1
total paintings = 15 painting x + 7 paintings y
equation 2
baby dinosaurs = 3 times adult
x= 3y
substitute x= 3y to equation 1
y = 4
x = 12
There are 12 baby dinosaurs and 4 adult dinosaurs in a herd with 208 total paintings

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swapnalimalwadeVT swapnalimalwadeVT · Answer 2 · 2022-04-26T13:26:02+02:00

There are 12 baby dinosaurs and 4 adult dinosaurs in a herd with 208 total paintings.

let x = baby dinosaurs

y = adult dinosaurs

equation 1

Total paintings = 15 painting x + 7 paintings y

equation 2

baby dinosaurs = 3 times adult

What is the meaning of a simultaneous equation?

The simultaneous equations is a set of equations that are all satisfied by the same values of the variables in given equations.

x= 3y

substitute x= 3y to equation 1

y = 4

x = 12

There are 12 baby dinosaurs and 4 adult dinosaurs in a herd with 208 total paintings.

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