There are y children in an orphanage and they shared $x among themselves. If each of them got $7 there were $4 left. If there were $5 more, each would get $8.

(a) Write the pair of simultaneous linear equation connecting x and y.

(b) Hence, find

(i) x

(ii) y

Question

Schaefer

Mathematics

3 April, 04:28

There are y children in an orphanage and they shared $x among themselves. If each of them got $7 there were $4 left. If there were $5 more, each would get $8.

(a) Write the pair of simultaneous linear equation connecting x and y.

(b) Hence, find

(i) x

(ii) y

+1

Answers (1)

Know the Answer?

Gia Soto · Answer 1

A) 7y + 4 = x

... 8y = x + 5

b) Subtract the first equation from the second.

... (8y) - (7y + 4) = (x + 5) - (x)

... y - 4 = 5

... y = 9

... 7*9 + 4 = x = 67

bi) x = 67

bii) y = 9

There are y children in an orphanage and they shared $x among themselves. If each of them got $7 there were $4 left. If there were $5 more, each would get $8.(a) Write the pair of simultaneous linear equation connecting x and y.(b) Hence, find(i) x(ii) y

There are y children in an orphanage and they shared $x among themselves. If each of them got $7 there were $4 left. If there were $5 more, each would get $8.

(a) Write the pair of simultaneous linear equation connecting x and y.

(b) Hence, find

(i) x

(ii) y