elodierouge13oyfc35
elodierouge13oyfc35 elodierouge13oyfc35
  • 01-01-2018
  • Mathematics
contestada

Alberto has 92 stamps in one large album and 38 stamps in another small ablum. How can he use mental math to find how many more stamps are in the large album.

Respuesta :

poppopularbee3
poppopularbee3 poppopularbee3
  • 01-01-2018
92-38=54
OR 
90-36=54
The one right ahead is easier to do in head. 
Hence, 54 stamps
Answer Link

Otras preguntas

A chemical reaction happens in three steps. Step 1: A→B+C (fast) Step 2: C→D+E (slow) Step 3:D+A→F (fast) What is the rate-determining step? Steps 1 and 3 Steps
A: Un múltiplo de un número N es? B: Un divisor de un número N es?
Explain concisely whether the following statement is true or false: “The GDP of a country does provide an accurate indicator of the welfare of its citizens”
Which common denominator can be used to add each pair of fractions? Match each pair of fractions to the common denominator that can be used.
Desirae made 138 cookies this week. She baked 2 more than 4 times the total she made last week. How many cookies did she bake last week?
How can we measure the air quality and air pollution level of any particular area?​
Find the probability of selecting a vowel from the word “MATHEMATICS” [please help!!!!]​
Coronado was known for the following. Your answer: •Mapping the American Southwest. •Sailing and mapping the Gulf of Mexico. •Conquering the Aztecs. Returning t
Write out the phrase we use for trigonometry? Help please
Oriole Company developed the following information about its inventories in applying the lower-of-cost-or-net-realizable-value(LCNRV) basis in valuing inventori