WAEC Mathematics 2018 Paper

Concept:The total donation is the sum of all amounts obtained by multiplying each donation value by the number of envelopes that contained it.Explanation:From the table, the contribution of each amount is:$4$ envelopes of N5,000 give $4 \times 5000 = 20000$$7$ envelopes of N2,000 give $7 \times 2000 = 14000$$20$ envelopes of N1,000 give $20 \times 1000 = 20000$$9$ envelopes of N700 give $9 \times 700 = 6300$$4$ envelopes of N500 give $4 \times 500 = 2000$$5$ envelopes of N100 give $5 \times 100 = 500$$3$ envelopes of N50 give $3 \times 50 = 150$$1$ envelope of N2 gives $1 \times 2 = 2$$2$ envelopes of N10 give $2 \times 10 = 20$Total donation $= 20000 + 14000 + 20000 + 6300 + 2000 + 500 + 150 + 2 + 20$Total donation $= 62972$Answer:The donation was N62,972.00. Correct option: D.