Calculate the amount that Albena receives in EUR.

At the airport shop, Albena buys chocolates that cost 34.50 BGN. She uses 20 EUR to pay for the chocolates but receives her change in BGN. The shop’s exchange rate is 1 EUR = 1.90 BGN.

Find how many BGN she receives as change.

$\frac{{0.97 \times 3550}}{{1.95}}$     (M1)(M1)(M1)

Note: Award (M1) for $0.97$ seen, (M1) for $0.97 \times 3550$, (M1) for division by $1.95$.

OR

$(3550 - 0.03 \times 3550) \times \frac{1}{{1.95}}$     (M1)(M1)(M1)

Note: Award (M1) for $0.03 \times 3550$ seen, (M1) for subtracting $0.03 \times 3550$ from $3550$, (M1) for division by $1.95$.

$= 1765.90{\text{ (EUR)}}$     (A1)     (C4)

$20 \times 1.90 - 34.50$     (M1)

Note: Award (M1) for subtraction of $34.50$ from their product of $20 \times 1.90$.

$= 3.50\,\,\,{\text{(BGN)}}$     (A1)     (C2)

Notes: Award at most (M1)(A0) for an answer of $4$, but only if working seen.