tusarjesp3grly tusarjesp3grly

01-02-2018
Mathematics

contestada

A maths teacher bought 40 calculators at $8.20 each and a number of other calculators costing $2.95 each.In all she spent$387. How many of the cheaper calculators did she buy?

Respuesta :

Solnvictus Solnvictus

01-02-2018

40 x $8.20 = $328

$387 - $328 = $59

$59 ÷ $2.95 = 20 calculators

Answer Link

Otras preguntas

How many light sources do you know Pls list them

find the difference: 7 7/8 - 3 1/4

In what respect does an atom of magnesium differ from a magnesium ion (Mg^{2+})? (A)The ion has a more stable electronic arrangement than the atom. (B)The pos

How long did mummification go for poor Egyptians?

Locate the gerund and identify its use.Wrestling alligators seems both foolish and dangerous.

Factor completely, the expression: 2x^3-2x^2-12x

If you multiply a number by five and then subtract negative ten, the difference is negative thirty. What is the number?

20% of my money is £2.55 What is 2/5 of it?

In a sale, normal prices are reduced by 12% The sale price of a digital camera is £132.88 Work out the normal price of the digital camera (3marks)

what does the agora tell us about the culture of athens?