Answer:
y = 2x
Step-by-step explanation:
you multiply the x by 2 to get the y.
i don't know if this helps
Answer:
I think A
Step-by-step explanation:
Answer:
Step-by-step explanation:
Answer:
£210
Step-by-step explanation:
A decrease of 30% represents 70% of the original cost.
100% represents the original cost
Divide the price by 70 to find 1% then multiply by 100 for original cost
original cost =
× 100 = 2.1 × 100 = £210