August $30/subject/week. September $40/subject/week.

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Maths · P6 · Specimen 01 Maths Questions · 26 Jun 2026, 12:51 · asked by maxloo · resolved

SP001 Maths Paper 1 Booklet B - Question 24

The table shows the cost for printing 3R photographs in a shop.


First four 3R photographs	$\$2.50$ each
Subsequent 3R photographs	$\$1.50$ each

Charlene wanted to print some 3R photographs.
How many photographs can she print if she has $50 with her?

Ans: ______________

Answer

maxloo · 26 Jun 2026, 19:45 · official answer

Cost of first four photos	= $2.5 × 4 = \$10$
Amount left for subsequent photos	= $50 - 10 = \$40$
Number of subsequent photos that can be printed with $\$40$	= $40 ÷ 1.5$
	= $40$ $\times$ $\dfrac{2}{3}$
	= $26$ $\dfrac{2}{3}$
Total number of photos that Charlene can print	= $26 + 4 = \boxed{30}$