Question
The number 5 is added to three times the product of two numbers, m, and n. What is the expression formed? What is the value of the expression if m is 4 and n is 5? [2 MARKS]
Answer:
:
Forming the expression: 1 Mark
Value of expression: 1 Mark
The product of two numbers, m, and n is
m×n.
Three times the product is 3mn.
Adding 5to three times the product
=5 + 3mn
The expression formed is5 + 3mn
The value of the product at m = 4 and n = 5
=5+3×4×5=65
Hence, thevalue of the expression if m = 4 and n = 5 is 65.
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:
Forming the expression: 1 Mark
Value of expression: 1 Mark
The product of two numbers, m, and n is
m×n.
Three times the product is 3mn.
Adding 5to three times the product
=5 + 3mn
The expression formed is5 + 3mn
The value of the product at m = 4 and n = 5
=5+3×4×5=65
Hence, thevalue of the expression if m = 4 and n = 5 is 65.
Was this answer helpful ?
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