10 pens=£6.50
1 pen=£0.65
4 pens=£0.65×4
4 pens=£2.6
Substitute “x” with a number
Answer:
7
Step-by-step explanation:
Because 35/5=7 so 1/5 of 35 would = 7
Answer:
A General Note: The Product Rule for Simplifying Square Roots. If a and b are nonnegative, the square root of the product a b \displaystyle ab ab is equal to the product of the square roots of a and b.
Step-by-step explanation:
