a picture measuring 8cm by 10cm is pasted on a cartolina measuring 10cm by 12cm. how wide is the space not covered by the picture/

Question

anonymous · Answer

what is the formula??

hartnn · Answer

u know the formula for area of rectangles ?

hartnn · Answer

or do u have the options/choices to this question ?

jhonyy9 · Answer

area of this picture how many will be ? can you calcule it ?

jhonyy9 · Answer

area of a rectangle is equal ???

jhonyy9 · Answer

what time what ?

anonymous · Answer

what is the formula for this problem??

hartnn · Answer

whats the area of rectangle ?

jhonyy9 · Answer

so you need to calcule area of picture and area of cartolina  
- but for you need to know what is the formula for area of a rectangle

anonymous · Answer

area of rectangle = lw

jhonyy9 · Answer

yes sure and how can us it here in this case ?

hartnn · Answer

right so calculate and tell me area of both the rectangles.
one with 8X10 and one with 10X12

anonymous · Answer

*are you suppose to subtract the two area?

hartnn · Answer

yup.

anonymous · Answer

is 40 will be the answer??

hartnn · Answer

40 square cm to be accurate.