28
QuizMultiple Choice
Scale Factor
Question 28 of 50 • * SY2025-26 - 1205040 M/J Grade 7 Mathematics Sem 1 CR
A gallon of stain is enough to cover 200 square feet of decking. Bradley has two areas of decking he would like to cover with stain. One rectangular area is 23 feet by 10.4 feet, and the other is 10.5 feet by 7.2 feet. Which expression gives the number of gallons of stain Bradley will need?
Answer
A
Left-bracket (23) (10.5) + (10.4) (7.2) right-bracket divided by 200
B
Left-bracket (23) (10.4) + (10.5) (7.2) right-bracket divided by 200
C
Left-bracket (23) (10.5) + (10.4) (7.2) right-bracket times 200
D
Left-bracket (23) (10.4) + (10.5) (7.2) right-bracket times 200