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Direct Messages - SEQTA Le$\newline$Assessment Master - Exam Wi$\newline$assess.scsa.wa.edu.au/engine/index.php/lms/index$\newline$School Curriculum$\newline$and Standards$\newline$Authority$\newline$Numeracy$\newline$() $0$:$23$:$59$ / $0$:$50$:$00$$\newline$$31751624$$\newline$$40$ of $45$$\newline$Betty uses a diagram, with a scale of $1$:$20$, to calculate the area of her bathroom.$\newline$Question $37$$\newline$Question $38$$\newline$Question $39$$\newline$Question $40$$\newline$Question $41$$\newline$Question $42$$\newline$The diagram is $15 \mathrm{~cm}$ long and $10 \mathrm{~cm}$ wide. What is the area, in square metres, of Betty's actual bathroom?$\newline$Question $43$$\newline$Question $44$$\newline$$150$ square metres$\newline$Question $45$$\newline$$30$ square metres$\newline$Confirmation$\newline$$10$ square metres$\newline$$6$ square metres$\newline$Content copyright WA School Curriculum and Standards Authority $2024$$\newline$a)$\newline$Assessment$\newline$Copyright $\oplus$ SoNET Systems Pty Ltd. $2024$$\newline$m$\newline$Master