Answer: £14.94
Step-by-step explanation:
36 cartons at £1.56 for 4 = 14.04
2 cartons at £45p = 0.90
Answer:
Step-by-step explanation:
irrational roots always occur in pairs.
Other root is also irrational and is negative of first zero.
A statement also know as an axiom which is taken to be true without proof.
Answer:
b = 4
Step-by-step explanation:
a + 3b = 13
a + b = 5 .....multiply by -1
=============
a + 3b = 13
-a - b = -5 (result of multiplying by -1)
=============add
2b = 8
b = 8/2
b = 4 <====
a + b = 5
a + 4 = 5
a = 5 - 4
a = 1
Answer:
Step-by-step explanation:
20 plus .5x = 100 plus .25x
.25x=80
x=320.