Answer:
a. €50+€x
b. €70+€x
Step-by-step explanation:
a. if the jumper is x and a jacket is 50 more than to find the price of the jacket you would add 50 plus x
b. if the coat is 20 more than a jacket and we already know that the jacket is €50+€x add 20 more and you get €70+€x
